Products

Suppliers
Filter Gallery
55,601

Audio Video Devices Price

Products
Docking Station Power Adapter Professional Pcba Solution Micro Switch

Sorry! No matches were found.

IEC 60065 Audio Video Safety Testing Device for Impulse Withstand Voltage Testing

IEC 60065 Audio Video Safety Testing Device for Impulse Withstand Voltage Testing

1 Piece (MOQ)
More
Main Products: EMC Test Equipment, ESD Simulator, Surge Generator, Eft/ Burst Generator, Voltage Dips Generator, Ring Wave Generator, Automotive EMC Test Equipment, Power Frequency Magnetic Field Generator, Impulse Voltage Tester, IEC/ En 61000-4 EMS Testing Instruments
Contact Supplier
Audited Supplier Audited Supplier Since 2019
Shanghai Shinegil Trading Co., Ltd.

Manufacturer/Factory,Trading Company

Shanghai, China Since 2019
Chat Now Send Inquiry
IEC 60065 Surge Test Device for Audio Video Safety Testing

IEC 60065 Surge Test Device for Audio Video Safety Testing

US $ 4,500-9,999 / Piece FOB
1 Piece (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2019
Shanghai Shinegil Trading Co., Ltd.

Manufacturer/Factory,Trading Company

Shanghai, China Since 2019
Chat Now Send Inquiry
Mekotronics 16+64G Rockchip Rk3588 R58X-Am HD Edge Computing Device with Audio and Microphone Connectors

Mekotronics 16+64G Rockchip Rk3588 R58X-Am HD Edge Computing Device with Audio and Microphone Connectors

US $ 280 / Piece FOB
100 Pieces (MOQ)
More
Main Products: Digital Signage
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Mekotronics Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2022
Chat Now Send Inquiry
Mekotronics 8+64G Real 8K Rockchip Rk3588 Edge Computing Device Iot Gateway Android OS Audio & Mic Sockets

Mekotronics 8+64G Real 8K Rockchip Rk3588 Edge Computing Device Iot Gateway Android OS Audio & Mic Sockets

US $ 244 / Piece FOB
100 Pieces (MOQ)
More
OS : Android
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Mekotronics Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2022
Chat Now Send Inquiry
Mekotronics 16+64G 8K Rockchip Rk3588 Iot Gateway Linux OS Edge Computing Device with Audio and Microphone Connectors

Mekotronics 16+64G 8K Rockchip Rk3588 Iot Gateway Linux OS Edge Computing Device with Audio and Microphone Connectors

US $ 280 / Piece FOB
100 Pieces (MOQ)
More
Main Products: Digital Signage
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Mekotronics Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2022
Chat Now Send Inquiry
Mekotronics Real 8K Rk3588 R58X-Am HD Edge Computing Device with Audio and Microphone Connectors

Mekotronics Real 8K Rk3588 R58X-Am HD Edge Computing Device with Audio and Microphone Connectors

US $ 210 / Piece FOB
100 Pieces (MOQ)
More
Remote Control : With Remote Control
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Mekotronics Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2022
Chat Now Send Inquiry
Mekotronics 8+64G Real 8K Iot Gateway Linux OS Edge Computing Device Rockchip Rk3588 Android OS Audio & Mic Sockets

Mekotronics 8+64G Real 8K Iot Gateway Linux OS Edge Computing Device Rockchip Rk3588 Android OS Audio & Mic Sockets

US $ 244 / Piece FOB
100 Pieces (MOQ)
More
Main Products: Digital Signage
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Mekotronics Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2022
Chat Now Send Inquiry
Mekotronics 8+64G Real 8K R58X-Am HD Edge Computing Device R3588 Android OS Audio & Mic Sockets

Mekotronics 8+64G Real 8K R58X-Am HD Edge Computing Device R3588 Android OS Audio & Mic Sockets

US $ 244 / Piece FOB
100 Pieces (MOQ)
More
Interface Type : HDMI
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Mekotronics Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2022
Chat Now Send Inquiry
Mekotronics 8+64G Real 8K Rockchip Rk3588 Iot Gateway Linux OS Edge Computing Device Android OS Audio & Mic Sockets

Mekotronics 8+64G Real 8K Rockchip Rk3588 Iot Gateway Linux OS Edge Computing Device Android OS Audio & Mic Sockets

US $ 244 / Piece FOB
100 Pieces (MOQ)
More
Main Products: Digital Signage
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Mekotronics Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2022
Chat Now Send Inquiry
Mekotronics 4+32g 8K Rk3588 Iot Gataway Linux HD Edge Computing Device with Audio and Microphone Connectors

Mekotronics 4+32g 8K Rk3588 Iot Gataway Linux HD Edge Computing Device with Audio and Microphone Connectors

US $ 210 / Piece FOB
100 Pieces (MOQ)
More
Customized : Customized
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Mekotronics Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2022
Chat Now Send Inquiry
Ws5 Upgraded Anti-Recording Device Audio Recording Blocker White Noise to Prevent Eavesdropping

Ws5 Upgraded Anti-Recording Device Audio Recording Blocker White Noise to Prevent Eavesdropping

US $ 135-165 / sets FOB
2 sets (MOQ)
More
Main Products: Disposable Protective Masks
Contact Supplier
Since 2012
Vecano Electronics Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2012
Chat Now Send Inquiry
Ws5 Upgraded Anti-Recording Device Audio Recording Make White Noise to Prevent Eavesdropping

Ws5 Upgraded Anti-Recording Device Audio Recording Make White Noise to Prevent Eavesdropping

US $ 135-165 / sets FOB
2 sets (MOQ)
More
Application : Office
Contact Supplier
Since 2012
Vecano Electronics Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2012
Chat Now Send Inquiry
Set Top Box AD Player LCD Display Audio & Video Cable LCD Module USB Socket
High-Quality USB 2.0 Video and Audio Capture Device

High-Quality USB 2.0 Video and Audio Capture Device

US $ 5.8-5.9 / Piece FOB
500 Pieces (MOQ)
More
Main Products: Smartphone USB Cable, Computer Cable, Computer HDMI Cable, Pd Cable, Type C Hubs, USB Hub, USB C Hub, Network Cables, USB Adapter, USB 4 Cable
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Changzhou Wistar Electronics Co., Ltd.

Manufacturer/Factory

Jiangsu, China Since 2023
Chat Now Send Inquiry
Small Size Camera Q5 Mini Hidden Nano Cheap IR Recording Equipment 10 Hour Loop Audio Recorder Night Vision Video Cam Devices

Small Size Camera Q5 Mini Hidden Nano Cheap IR Recording Equipment 10 Hour Loop Audio Recorder Night Vision Video Cam Devices

US $ 4-8 / Piece FOB
10 Pieces (MOQ)
More
Sensor Size : 1/3 inch
Contact Supplier
Audited Supplier Audited Supplier Since 2019
Shenzhen City Autoe Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2019
Chat Now Send Inquiry
Electroconductive Silicone Rubber Cap for Electronic Devices with Resistance Below 100 Ohm

Electroconductive Silicone Rubber Cap for Electronic Devices with Resistance Below 100 Ohm

US $ 0.117-0.333 / Piece FOB
1,000 Pieces (MOQ)
More
Main Products: Silicone Rubber Auto Parts, Silicone Rubber Keypad, Silicone Rubber Gasket, Silicone Rubber O-Ring, Silicone Rubber Valve, Silicone Rubber Kitchenware, Plastic Injection Parts, Silicone Rubber Gifts, Silicone Medical Accessories, LSR Baby Care
Contact Supplier
Audited Supplier Audited Supplier Since 2011
Xiamen Flying Silicone Rubber Co., Ltd.

Manufacturer/Factory,Trading Company

Fujian, China Since 2011
Chat Now Send Inquiry
L Band 1000~1600MHz RF Band Pass Filter SMA Female 5W Passive Device

L Band 1000~1600MHz RF Band Pass Filter SMA Female 5W Passive Device

US $ 50-330 / Piece FOB
1 Piece (MOQ)
More
Certification : FCC, CCC, RoHS, ISO, CE
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Xian Efine Electronics Technology Co., Ltd

Manufacturer/Factory

Shaanxi, China Since 2024
Chat Now Send Inquiry
Foyum Ty-Fd100 Electronic Digital Frequency Testerfor All Devices

Foyum Ty-Fd100 Electronic Digital Frequency Testerfor All Devices

US $ 9.15-9.95 / Piece FOB
50 Pieces (MOQ)
More
Main Products: Remote Control, Gate Remote Control, Remote Control Duplicator, RF Remote Control Receiver, Remote Controller, Face to Face Remote Control
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Xiamen Foyum Electronic Technology Co., Ltd.

Manufacturer/Factory,Trading Company

Fujian, China Since 2024
Chat Now Send Inquiry
A10-4G Wify Hotpot SIM Card Language Translator Translation Portable Ai Instant Language Device Voice Real Time Audio Translator

A10-4G Wify Hotpot SIM Card Language Translator Translation Portable Ai Instant Language Device Voice Real Time Audio Translator

US $ 57-80 / Piece FOB
1 Piece (MOQ)
More
Video : Video
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Dongguan Kexing Zhixing Electronics Co., Ltd.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2024
Chat Now Send Inquiry
Wholesale Changan Tesla Style GPS Navigation Device Double DIN Head Unit OEM Android Car Audio Video Multimedia CS75 2014 15 16 2017 Vertical Touchscreen

Wholesale Changan Tesla Style GPS Navigation Device Double DIN Head Unit OEM Android Car Audio Video Multimedia CS75 2014 15 16 2017 Vertical Touchscreen

5 Pieces (MOQ)
More
Main Products: Custom Car Audio, Double DIN DVD Head Unit, Android Car Infotainment Multimedia, in-Dash GPS Navigation System, Touch Android Car GPS System, Car GPS Navigation System, Bluetooth Hands-Free Kit, DVD Headrest Screens, Android Navigation Interface, Android Autoradio
Contact Supplier
Astral Electronics Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China
Chat Now Send Inquiry
Wholesale OEM Great Wall GPS Navigation Device Tesla Style Car Video Audio Best Car GPS Stereo DVD Player 12.1 Inch Vertical Touchscreen Haval H2 2014-2018

Wholesale OEM Great Wall GPS Navigation Device Tesla Style Car Video Audio Best Car GPS Stereo DVD Player 12.1 Inch Vertical Touchscreen Haval H2 2014-2018

5 Pieces (MOQ)
More
Video Output : VGA
Contact Supplier
Astral Electronics Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China
Chat Now Send Inquiry
Related Videos
  • What is Mekotronics 16+64G Rockchip Rk3588 R58X-Am HD Edge Computing Device with Audio and Microphone Connectors
    What is Mekotronics 16+64G Rockchip Rk3588 R58X-Am HD Edge Computing Device with Audio and Microphone Connectors
    Negotiable
    100 Pieces (MOQ)
    Contact Supplier
  • What is Mekotronics 8+64G Real 8K Rockchip Rk3588 Edge Computing Device Iot Gateway Android OS Audio & Mic Sockets
    What is Mekotronics 8+64G Real 8K Rockchip Rk3588 Edge Computing Device Iot Gateway Android OS Audio & Mic Sockets
    Negotiable
    100 Pieces (MOQ)
    Contact Supplier
  • What is Mekotronics 16+64G 8K Rockchip Rk3588 Iot Gateway Linux OS Edge Computing Device with Audio and Microphone Connectors
    What is Mekotronics 16+64G 8K Rockchip Rk3588 Iot Gateway Linux OS Edge Computing Device with Audio and Microphone Connectors
    Negotiable
    100 Pieces (MOQ)
    Contact Supplier
  • What is Mekotronics Real 8K Rk3588 R58X-Am HD Edge Computing Device with Audio and Microphone Connectors
    What is Mekotronics Real 8K Rk3588 R58X-Am HD Edge Computing Device with Audio and Microphone Connectors
    Negotiable
    100 Pieces (MOQ)
    Contact Supplier
New Jackpot Top Anti Theft Device Harness for Ict Bill Acceptor Anti Cheating Device Protect Safe Jammer Devices for Slot

New Jackpot Top Anti Theft Device Harness for Ict Bill Acceptor Anti Cheating Device Protect Safe Jammer Devices for Slot

US $ 30 / pieces FOB
1 pieces (MOQ)
More
Main Products: Slot Cabinet, Touch Screen, Game Board, Bill Acceptor, Mutha Goose System, Printer, Button, Joystick, Harness, Panels
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Guangzhou Full Red Display Technology Co., Ltd

Manufacturer/Factory,Trading Company

Guangdong, China Since 2024
Chat Now Send Inquiry
Multi Channels Languages Interpreter Simultaneous Interpretation Equipment Translator Device for Conference Room Sound System

Multi Channels Languages Interpreter Simultaneous Interpretation Equipment Translator Device for Conference Room Sound System

US $ 10-9,999 / Set FOB
10 Sets (MOQ)
More
Color : Black
Contact Supplier
Audited Supplier Audited Supplier Since 2006
Gonsin Conference Equipment Co., LTD.

Manufacturer/Factory

Guangdong, China Since 2006
Chat Now Send Inquiry
Smartphone 3D Virtual World Vr Box for Mobile 3D Devices

Smartphone 3D Virtual World Vr Box for Mobile 3D Devices

US $ 3.89-5.6 / Piece FOB
10 Pieces (MOQ)
More
Main Products: Earphone, Headphone, Wired Earphone, Charger, Cable, Hairdryer, Watch, Curling Iron, Powerbank, Dust Collector
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Dongguan Jinruixin Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2024
Chat Now Send Inquiry
Top Anti Theft Device Harness for Ict Bill Acceptor Anti Cheating Device Protect Safe Jammer Devices

Top Anti Theft Device Harness for Ict Bill Acceptor Anti Cheating Device Protect Safe Jammer Devices

US $ 30 / pieces FOB
1 pieces (MOQ)
More
Seat Adjustment : Electric Adjustment
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Guangzhou Full Red Display Technology Co., Ltd

Manufacturer/Factory,Trading Company

Guangdong, China Since 2024
Chat Now Send Inquiry

Not exactly what you want?

Post Sourcing Request

1080P 60Hz HDMI Video Capture USB to HDMI Video Capture Device for Obs Capturing Video

1080P 60Hz HDMI Video Capture USB to HDMI Video Capture Device for Obs Capturing Video

US $ 4.5-4.8 / Piece FOB
100 Pieces (MOQ)
More
Main Products: HDMI Cable, Data Cable, Fiber Optic HDMI Cable, Displayport Cable, HDMI Adapter/Converter, USB Type-C, USB Cable, DVI/VGA Cable, SATA/eSATA, Aux Cable
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Shenzhen Magelei Electronic and Technology Co., Ltd.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2024
Chat Now Send Inquiry
Jackpot Top Anti Theft Device Harness for Ict Bill Acceptor Anti Cheating Device Protect Safe Jammer Devices for Slot

Jackpot Top Anti Theft Device Harness for Ict Bill Acceptor Anti Cheating Device Protect Safe Jammer Devices for Slot

US $ 30 / pieces FOB
1 pieces (MOQ)
More
Suitable Age : All Ages
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Guangzhou Full Red Display Technology Co., Ltd

Manufacturer/Factory,Trading Company

Guangdong, China Since 2024
Chat Now Send Inquiry
Casino Top Anti Theft Device Harness for Ict Bill Acceptor Anti Cheating Device Protect Safe Jammer Devices

Casino Top Anti Theft Device Harness for Ict Bill Acceptor Anti Cheating Device Protect Safe Jammer Devices

US $ 30 / pieces FOB
1 pieces (MOQ)
More
Main Products: Slot Cabinet, Touch Screen, Game Board, Bill Acceptor, Mutha Goose System, Printer, Button, Joystick, Harness, Panels
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Guangzhou Full Red Display Technology Co., Ltd

Manufacturer/Factory,Trading Company

Guangdong, China Since 2024
Chat Now Send Inquiry
Tour Guide/Audio Conference Device/Wireless Conference Device

Tour Guide/Audio Conference Device/Wireless Conference Device

US $ 1-100 / Piece FOB
1 Piece (MOQ)
More
Color : Black
Contact Supplier
Soolai Electronics Co., Ltd

Manufacturer/Factory,Trading Company

Jiangsu, China
Chat Now Send Inquiry
BNC Interface Coaxial Surge Protective Device for Video Signal Protection

BNC Interface Coaxial Surge Protective Device for Video Signal Protection

US $ 17.64-20 / Piece FOB
1 Piece (MOQ)
More
Main Products: Lightning Protector, Surge Protector, AC/DC Power Surge Protection, Surge Suppressor, Signal Arrestor, Antenna Coaxial Protector, Data Line Protector, Control Line Protector, Monitor Protector, PDU
Contact Supplier
Shenzhen Opplei Technologies Co., Ltd.

Manufacturer/Factory

Guangdong, China
Chat Now Send Inquiry
LED Light Battery 3.7V 1300mAh Tracker Device Li-Polymer

LED Light Battery 3.7V 1300mAh Tracker Device Li-Polymer

US $ 0.8-1.6 / Piece FOB
100 Pieces (MOQ)
More
Recyclable : Recyclable
Contact Supplier
Audited Supplier Audited Supplier Since 2010
SHENZHEN TRUE POWER CO., LTD.

Manufacturer/Factory

Guangdong, China Since 2010
Chat Now Send Inquiry
Worm Gearbox Right Angle Gearbox Food Processing Medical Devices Stainless Steel Reducer

Worm Gearbox Right Angle Gearbox Food Processing Medical Devices Stainless Steel Reducer

US $ 20-20,000 / Set FOB
1 Set (MOQ)
More
Main Products: Cardan Shaft, Cardan Coupling, Gear Coupling, Elastic Coupling, Diaphragm Coupling, Universal Coupling, Grid Coupling, Reducer, Rolling Mill Roller, Cable Tray
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Opulence (Hebei) Equip Co., Ltd.

Trading Company

Hebei, China Since 2024
Chat Now Send Inquiry
Remote Control Battery 3.7V 1300mAh Tracker Device

Remote Control Battery 3.7V 1300mAh Tracker Device

US $ 0.8-1.6 / Piece FOB
100 Pieces (MOQ)
More
Charger Application : Tablet, Video Game Player, MP3/MP4 Player, Standard Battery
Contact Supplier
Audited Supplier Audited Supplier Since 2010
SHENZHEN TRUE POWER CO., LTD.

Manufacturer/Factory

Guangdong, China Since 2010
Chat Now Send Inquiry
Gonsin Fs-Fhss Simultaneous Interpretation Equipment Interpreter Translator Device for Conference Room Interpretation Equipment

Gonsin Fs-Fhss Simultaneous Interpretation Equipment Interpreter Translator Device for Conference Room Interpretation Equipment

US $ 10-9,999 / Set FOB
10 Sets (MOQ)
More
Main Products: Conference System, Conference Microphone, Simultaneous Interpretation System, Language Distribution System, Translation Equipment, Video Conferencing System, Video Tracking System, Voting System
Contact Supplier
Audited Supplier Audited Supplier Since 2006
Gonsin Conference Equipment Co., LTD.

Manufacturer/Factory

Guangdong, China Since 2006
Chat Now Send Inquiry
Jsd-520 Car Bluetooth MP3 Player Digital Display FM Radio Car Audio Device (TF Card Version)

Jsd-520 Car Bluetooth MP3 Player Digital Display FM Radio Car Audio Device (TF Card Version)

US $ 5.1-6.49 / Piece FOB
2 Pieces (MOQ)
More
Format : MP3
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Colpoint Technology Limited

Guangdong, China Since 2022
Chat Now Send Inquiry
High Power 9 Terminals Voice Recording Jammer Sound Jammer Device

High Power 9 Terminals Voice Recording Jammer Sound Jammer Device

US $ 1 / Piece FOB
1 Piece (MOQ)
More
Main Products: RF Jammer, Prison Jammer, Bomb VIP Jammer, Signal Jammer, Uav Drone Jammer, Wireless Monitoring Control System, Smart Lock, Face Recognition Lokc
Contact Supplier
Audited Supplier Audited Supplier Since 2015
SHENZHEN AL ASAR TECH CO., LTD.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2015
Chat Now Send Inquiry
Laser-Assisted RF Wireless Bug Detector Wireless Lens Hunter Anti-Spy Device

Laser-Assisted RF Wireless Bug Detector Wireless Lens Hunter Anti-Spy Device

US $ 195-203 / Piece FOB
2 Pieces (MOQ)
More
Application : Conference Center
Contact Supplier
Audited Supplier Audited Supplier Since 2015
Shenzhen Necom Telecommunication Technologies Co., Ltd.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2015
Chat Now Send Inquiry
Docking Station Power Adapter Professional Pcba Solution Micro Switch
View More

Related Searches

Devices For Alarm Audio Cable Video Audio Video Equipment Audio Cable Part Custom Audio Cable Audio Video Digital Audio Cable Connectors Power Audio Cable Audio Video Player Audio Power Supplies

Browse by Categories

Home > Electrical & Electronics > Telecommunication & Broadcasting > Set Top Box
1/834
TOP

Search Filter

Categories

More Less
  • Set Top Box
  • AD Player
  • LCD Display
  • Audio & Video Cable
  • LCD Module
  • USB Socket
  • Signal Jammer
  • Inductor
  • Touch Screen
  • Mobile Phone Cable

CPU

More Less
  • 4
  • 2

Certification

More Less
  • CE
  • RoHS
  • FCC
  • CCC
  • ISO

Condition

More Less
  • New

Function

More Less
  • IPTV
  • Two-Way
  • One-Way

Type

More Less
  • iDTV
  • DVB
  • Interactive
  • Double Decoding

Company Type

More Less
  • Manufacturer/Factory
  • Trading Company
  • Group Corporation
  • Individuals/SOHO
  • Other

Company Location

More Less
  • Guangdong
  • Zhejiang
  • Jiangsu
  • Shanghai
  • Hubei
  • Fujian
  • Anhui
  • Beijing
  • Hongkong S.A.R.
  • Hunan
  • Shandong
  • Guangxi
  • Jiangxi
  • Tianjin
  • Henan
  • Chongqing
  • Shaanxi
  • Sichuan
  • Shanxi
  • Yunnan
  • Hebei
  • Liaoning
  • Taiwan, China
  • Ningxia
  • Guizhou

Product Types

More Less
  • SecuredTrading
  • Buy Sample
Reset Done