Products

Suppliers
Filter Gallery
2,076

Wholesale Visual Fault Locator

Products
Fiber Fault Locator Visual Fault Locator Vfl Tool Kit Cable Tester Optical Power Meter Visual Fault Locator Vfl Pen

Sorry! No matches were found.

Kfl-11m Wholesale 10MW 20MW 30MW Fiber Optic Cable Red Laser Pointer Testing Distance 8-10km Visual Fault Locator

Kfl-11m Wholesale 10MW 20MW 30MW Fiber Optic Cable Red Laser Pointer Testing Distance 8-10km Visual Fault Locator

US $ 4-15 / Piece FOB
1,000 Pieces (MOQ)
More
Main Products: FTTH Terminal Box, Finer Optic Cable, Fiber Optic Closure, FTTH Accessories, Fiber Optic Patch Cord, Patch Panel, Copper Connection Module, Distribution Box, ONU, Telecom Tools
Contact Supplier
Audited Supplier Audited Supplier Since 2020
Ningbo Meilan Communication Equipment Co., Ltd.

Manufacturer/Factory,Trading Company

Zhejiang, China Since 2020
Chat Now Send Inquiry
Fiber Optic 5 10 20 30MW Output Pen Shape Vfl Visual Fault Locator

Fiber Optic 5 10 20 30MW Output Pen Shape Vfl Visual Fault Locator

US $ 5-30 / Piece FOB
1,000 Pieces (MOQ)
More
Wiring Devices : ODF
Contact Supplier
Audited Supplier Audited Supplier Since 2020
Ningbo Meilan Communication Equipment Co., Ltd.

Manufacturer/Factory,Trading Company

Zhejiang, China Since 2020
Chat Now Send Inquiry
Vfl Pen Type 650nm 30MW Fiber Testing Red Laser Pointer Visual Fault Locator

Vfl Pen Type 650nm 30MW Fiber Testing Red Laser Pointer Visual Fault Locator

US $ 20-35 / Piece FOB
2 Pieces (MOQ)
More
Main Products: Fiber Optical Fusion Splicer, OTDR, Optical Power Meter, Fiber Cleaver, Visual Fault Locator, Handheld Spectrum Analyzer, Ethernet Cable Tester, Underground Cable Fault Locator, Fiber Tools, Site Master
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Beijing W&F Technology Co., Ltd.

Manufacturer/Factory

Beijing, China Since 2023
Chat Now Send Inquiry
Kexint FTTH Optical Metal Body Laser Pen Type Vfl Laser Red Fiber Optic Visual Fault Locator

Kexint FTTH Optical Metal Body Laser Pen Type Vfl Laser Red Fiber Optic Visual Fault Locator

US $ 18.32-23.49 / pieces FOB
1 pieces (MOQ)
More
Condition : New
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Shenzhen kexint Technology Co., Ltd

Manufacturer/Factory

Guangdong, China Since 2024
Chat Now Send Inquiry
2-in-1 Optical Power Meter Visual Fault Locator Vfl

2-in-1 Optical Power Meter Visual Fault Locator Vfl

US $ 22-24 / Piece FOB
2 Pieces (MOQ)
More
Main Products: Fiber Optic Equipments, LAN Network Equipments, Base Station Telecom Equipments, Precision Manufacturing, PDU UPS & Power Station, Rack Cabinet & Rack Mount Solutions, Copper & Fiber Optic Connectivity, Cabling Tools & Tester, Communication Accessories, Computer Audio Video Accessories
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Ningbo Chung Kung Precision Machinery Co., Ltd.

Manufacturer/Factory

Zhejiang, China Since 2024
Chat Now Send Inquiry
Cable Tester Visual Fault Locator Fiber Cable Visual Fault Locator

Cable Tester Visual Fault Locator Fiber Cable Visual Fault Locator

US $ 9.9-11.8 / Piece FOB
10 Pieces (MOQ)
More
Certification : ISO
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Ningbo Geteknet Telecom Equipment Co., Ltd.

Manufacturer/Factory,Trading Company

Zhejiang, China Since 2022
Chat Now Send Inquiry
Visual Fault Locator/650nm Visual Fault Locator/ Fiber Optic Locator

Visual Fault Locator/650nm Visual Fault Locator/ Fiber Optic Locator

US $ 50 / Piece FOB
1 Piece (MOQ)
More
Main Products: Fusion Splicer, Fiber Cleaver, OTDR, Fiber Splicing Machine, Vfl, Optic Fiber Laser Source, Optical Power Meter, Pon Network Tester, Fiber Optic Construction Tools, Network Tools
Contact Supplier
Audited Supplier Audited Supplier Since 2012
Nanjing Tianxingtong Electronic Technology Co., Ltd.

Manufacturer/Factory,Trading Company

Jiangsu, China Since 2012
Chat Now Send Inquiry
FTTH Optical 10MW Fiber Optic Visual Fault Locator for Underground Cable

FTTH Optical 10MW Fiber Optic Visual Fault Locator for Underground Cable

US $ 3.7-4 / Piece FOB
10 Pieces (MOQ)
More
Condition : New
Contact Supplier
Audited Supplier Audited Supplier Since 2020
Ningbo Fibconet Communication Technology Co., Ltd.

Manufacturer/Factory,Trading Company,Group Corporation

Zhejiang, China Since 2020
Chat Now Send Inquiry
Pen-Type Fiber Optic Visual Fault Locator -Vfl

Pen-Type Fiber Optic Visual Fault Locator -Vfl

US $ 15-25 / Piece FOB
3 Pieces (MOQ)
More
Main Products: Fiber Capillary, Fiber V-Groove, Fiber Pigtail, Fiber Array, Special Connector
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Suzhou 3V Technology Co., Ltd.

Manufacturer/Factory

Jiangsu, China Since 2023
Chat Now Send Inquiry
Mini Portable 1MW Output 3-5km Pen-Type Vfl Visual Fault Locator

Mini Portable 1MW Output 3-5km Pen-Type Vfl Visual Fault Locator

US $ 5-30 / Piece FOB
1,000 Pieces (MOQ)
More
Condition : New
Contact Supplier
Audited Supplier Audited Supplier Since 2020
Ningbo Meilan Communication Equipment Co., Ltd.

Manufacturer/Factory,Trading Company

Zhejiang, China Since 2020
Chat Now Send Inquiry
Visual Fault Locator Vfl Locator

Visual Fault Locator Vfl Locator

US $ 9.9-11.8 / Piece FOB
10 Pieces (MOQ)
More
Main Products: Fiber FTTH Box, Fiber Optic Splitter, Fiber Cable, Patch Panel, Keystone Jack, Server Rack, Network Cable, PDU, Fiber Cabinet, ODF
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Ningbo Geteknet Telecom Equipment Co., Ltd.

Manufacturer/Factory,Trading Company

Zhejiang, China Since 2022
Chat Now Send Inquiry
Germany Brand: Komshine Visual Optical Cable Fiber Fault Locator

Germany Brand: Komshine Visual Optical Cable Fiber Fault Locator

US $ 10 / Piece FOB
1 Piece (MOQ)
More
Feature : Moistureproof
Contact Supplier
Audited Supplier Audited Supplier Since 2008
Qingdao Powtech Electronics Co., Ltd.

Manufacturer/Factory

Shandong, China Since 2008
Chat Now Send Inquiry
Fiber Optic Equipment Cable Tester Cable Tools Test Machine Optical Fiber Other Test Instrument
Vfl Fiber Optic Laser Detector Fiber Optic Visual Fault Locator

Vfl Fiber Optic Laser Detector Fiber Optic Visual Fault Locator

US $ 15-19 / Piece FOB
1 Piece (MOQ)
More
Main Products: Optical Receiver, PLC Splitter, Sc Fast Connector, Fiber Optic Distribution Box, ADSS Fiber Optic Cable, Optical Closure, Fiber Optic Cable Clamps, Olt ONU, EDFA, FTTH Drop Cable
Contact Supplier
Audited Supplier Audited Supplier Since 2014
Hangzhou DAYTAI Network Technologies Co., Ltd.

Manufacturer/Factory

Zhejiang, China Since 2014
Chat Now Send Inquiry
Fiber Optic Cable Tester 5MW Fiber Red Laser Fault Locator Tracker 1-5km Vfl Visual Fault Locator

Fiber Optic Cable Tester 5MW Fiber Red Laser Fault Locator Tracker 1-5km Vfl Visual Fault Locator

US $ 3.8-4.2 / Piece FOB
1 Piece (MOQ)
More
Condition : New
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Shenzhen Gelink Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2023
Chat Now Send Inquiry
High Power Fiber Optic Visual Fault Locator

High Power Fiber Optic Visual Fault Locator

US $ 60-135 / Piece FOB
1 Piece (MOQ)
More
Main Products: Fiber Optical Transmission Equipment, CATV Products, Satellite Equipment, Digital Headend Equipment, Fiber Optic Passive, CATV Amplifiers, Optical Tools and Instruments, Epon Olt and ONU, Fiber Optic Cable, Eoc Master and Slave
Contact Supplier
Audited Supplier Audited Supplier Since 2009
Hangzhou Softel Optic Co., Ltd.

Manufacturer/Factory

Zhejiang, China Since 2009
Chat Now Send Inquiry
Skycom Visual Fault Locator T-Vf220 >20MW

Skycom Visual Fault Locator T-Vf220 >20MW

US $ 49 / Piece FOB
1 Piece (MOQ)
More
Condition : New
Contact Supplier
Audited Supplier Audited Supplier Since 2012
Nanjing Tianxingtong Electronic Technology Co., Ltd.

Manufacturer/Factory,Trading Company

Jiangsu, China Since 2012
Chat Now Send Inquiry
Optical Fiber Visual Fault Locator

Optical Fiber Visual Fault Locator

US $ 20-60 / Piece FOB
1 Piece (MOQ)
More
Main Products: Fiber Optic, Cable, Patch Cord, Adaptor, Panel, Pigtail, Closure, PLC, Termination Box, Attenuator
Contact Supplier
Audited Supplier Audited Supplier Since 2011
HNK Optic Equipment Co., LIMITED

Manufacturer/Factory,Trading Company

Guangdong, China Since 2011
Chat Now Send Inquiry
FTTH 10MW Fiber Optic Visual Fault Locator for Underground Cable

FTTH 10MW Fiber Optic Visual Fault Locator for Underground Cable

US $ 5-30 / Piece FOB
1,000 Pieces (MOQ)
More
Condition : New
Contact Supplier
Audited Supplier Audited Supplier Since 2020
Ningbo Meilan Communication Equipment Co., Ltd.

Manufacturer/Factory,Trading Company

Zhejiang, China Since 2020
Chat Now Send Inquiry
Standard Universal Adapter Cable Tester Meter Visual Fault Locator

Standard Universal Adapter Cable Tester Meter Visual Fault Locator

US $ 1.5-2.5 / Piece FOB
10 Pieces (MOQ)
More
Main Products: PLC Splitter, Fast Connector, Fiber Optic Patch Cord, Fiber Optic Pigtail, Fiber Optic Adapter, Fiber Optic Splice Closure, Fiber Optice Terminal Box Fbt, Fiber Optical Cross Connect Cabinets, Telecom Cabinets, ODF
Contact Supplier
Audited Supplier Audited Supplier Since 2020
Ningbo Fibconet Communication Technology Co., Ltd.

Manufacturer/Factory,Trading Company,Group Corporation

Zhejiang, China Since 2020
Chat Now Send Inquiry
Kfl-10 Visual Optical Cable Fiber Fault Locator China Supplier

Kfl-10 Visual Optical Cable Fiber Fault Locator China Supplier

US $ 10 / Piece FOB
1 Piece (MOQ)
More
Customized : Customized
Contact Supplier
Audited Supplier Audited Supplier Since 2008
Qingdao Powtech Electronics Co., Ltd.

Manufacturer/Factory

Shandong, China Since 2008
Chat Now Send Inquiry
Related Videos
  • What is Kfl-11m Wholesale 10MW 20MW 30MW Fiber Optic Cable Red Laser Pointer Testing Distance 8-10km Visual Fault Locator
    What is Kfl-11m Wholesale 10MW 20MW 30MW Fiber Optic Cable Red Laser Pointer Testing Distance 8-10km Visual Fault Locator
    Negotiable
    1,000 Pieces (MOQ)
    Contact Supplier
  • What is Fiber Optic 5 10 20 30MW Output Pen Shape Vfl Visual Fault Locator
    What is Fiber Optic 5 10 20 30MW Output Pen Shape Vfl Visual Fault Locator
    Negotiable
    1,000 Pieces (MOQ)
    Contact Supplier
  • What is Kexint FTTH Optical Metal Body Laser Pen Type Vfl Laser Red Fiber Optic Visual Fault Locator
    What is Kexint FTTH Optical Metal Body Laser Pen Type Vfl Laser Red Fiber Optic Visual Fault Locator
    Negotiable
    1 pieces (MOQ)
    Contact Supplier
  • What is Visual Fault Locator/650nm Visual Fault Locator/ Fiber Optic Locator
    What is Visual Fault Locator/650nm Visual Fault Locator/ Fiber Optic Locator
    Negotiable
    1 Piece (MOQ)
    Contact Supplier
Fiber Optic Red Light Pen Type 50MW Visual Fault Locator Optical Vfl

Fiber Optic Red Light Pen Type 50MW Visual Fault Locator Optical Vfl

US $ 99-159 / Piece FOB
1 Piece (MOQ)
More
Main Products: Fiber Optical Transmission Equipment, CATV Products, Satellite Equipment, Digital Headend Equipment, Fiber Optic Passive, CATV Amplifiers, Optical Tools and Instruments, Epon Olt and ONU, Fiber Optic Cable, Eoc Master and Slave
Contact Supplier
Audited Supplier Audited Supplier Since 2009
Hangzhou Softel Optic Co., Ltd.

Manufacturer/Factory

Zhejiang, China Since 2009
Chat Now Send Inquiry
Battery Type Vfl 1MW 10MW 20MW 30MW 50MW Visual Fault Locator

Battery Type Vfl 1MW 10MW 20MW 30MW 50MW Visual Fault Locator

US $ 10-70 / Piece FOB
1 Piece (MOQ)
More
Condition : New
Contact Supplier
Audited Supplier Audited Supplier Since 2020
Ningbo Meilan Communication Equipment Co., Ltd.

Manufacturer/Factory,Trading Company

Zhejiang, China Since 2020
Chat Now Send Inquiry
Pen Type Visual Fault Locator Tvf-210

Pen Type Visual Fault Locator Tvf-210

US $ 10 / Piece FOB
5 Pieces (MOQ)
More
Main Products: Fusion Splicer, Fiber Cleaver, OTDR, Fiber Splicing Machine, Vfl, Optic Fiber Laser Source, Optical Power Meter, Pon Network Tester, Fiber Optic Construction Tools, Network Tools
Contact Supplier
Audited Supplier Audited Supplier Since 2012
Nanjing Tianxingtong Electronic Technology Co., Ltd.

Manufacturer/Factory,Trading Company

Jiangsu, China Since 2012
Chat Now Send Inquiry
Pen-Type Visual Fault Locator (VFL)

Pen-Type Visual Fault Locator (VFL)

US $ 1-50 / Piece FOB
1 Piece (MOQ)
More
Certification : CE, ISO, RoHS, GS
Contact Supplier
Audited Supplier Audited Supplier Since 2013
Takfly Communications Co., Ltd.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2013
Chat Now Send Inquiry

Not exactly what you want?

Post Sourcing Request

Mini Fiber Optic Equipment Vfl Laser 10MW Optical Visual Fault Locator

Mini Fiber Optic Equipment Vfl Laser 10MW Optical Visual Fault Locator

US $ 3.7-4 / Piece FOB
10 Pieces (MOQ)
More
Main Products: PLC Splitter, Fast Connector, Fiber Optic Patch Cord, Fiber Optic Pigtail, Fiber Optic Adapter, Fiber Optic Splice Closure, Fiber Optice Terminal Box Fbt, Fiber Optical Cross Connect Cabinets, Telecom Cabinets, ODF
Contact Supplier
Audited Supplier Audited Supplier Since 2020
Ningbo Fibconet Communication Technology Co., Ltd.

Manufacturer/Factory,Trading Company,Group Corporation

Zhejiang, China Since 2020
Chat Now Send Inquiry
Kfl-10 Visual Optical Cable Fiber Fault Locator China Factory

Kfl-10 Visual Optical Cable Fiber Fault Locator China Factory

US $ 3-12 / Piece FOB
1 Piece (MOQ)
More
Feature : Moistureproof
Contact Supplier
Audited Supplier Audited Supplier Since 2008
Qingdao Powtech Electronics Co., Ltd.

Manufacturer/Factory

Shandong, China Since 2008
Chat Now Send Inquiry
Kexint Light Source Type Vfl Red Laser Optical Visual Fault Locator

Kexint Light Source Type Vfl Red Laser Optical Visual Fault Locator

US $ 5.31 / Piece FOB
10 Pieces (MOQ)
More
Main Products: ONU, Fiber Cable, Network Cable, MPO, Fiber Patch Cord, Fiber Optic Patch Panel, Fiber Splitter PLC, Fiber Optic Distribution Box, Fiber Optic Splice Closure, FTTH Tools
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Shenzhen kexint Technology Co., Ltd

Manufacturer/Factory

Guangdong, China Since 2024
Chat Now Send Inquiry
New Type Visual Fault Locator Low Price

New Type Visual Fault Locator Low Price

1 Piece (MOQ)
More
Certification : CE, ISO, RoHS
Contact Supplier
Audited Supplier Audited Supplier Since 2012
Nanjing Tianxingtong Electronic Technology Co., Ltd.

Manufacturer/Factory,Trading Company

Jiangsu, China Since 2012
Chat Now Send Inquiry
Fiber Optic Visual Fault Locator, Vfl

Fiber Optic Visual Fault Locator, Vfl

US $ 5.8-7.6 / Piece FOB
1 Piece (MOQ)
More
Main Products: Optical Cable, Fiber Cord, ODF, LAN Cable, Patch Cord, Patch Panel, Keystone Jack, Network Cabinet
Contact Supplier
Audited Supplier Audited Supplier Since 2012
SHENZHEN TELEMAX TECHNOLOGY CO., LTD.

Manufacturer/Factory

Guangdong, China Since 2012
Chat Now Send Inquiry
12PCS/Set Fiber Optic FTTH Cold Connection Tool Kit FC-6s Fiber Cleaver Optical Power Meter 5km Visual Fault Locator

12PCS/Set Fiber Optic FTTH Cold Connection Tool Kit FC-6s Fiber Cleaver Optical Power Meter 5km Visual Fault Locator

US $ 20-30 / Piece FOB
10 Pieces (MOQ)
More
Condition : New
Contact Supplier
Audited Supplier Audited Supplier Since 2008
Qingdao Powtech Electronics Co., Ltd.

Manufacturer/Factory

Shandong, China Since 2008
Chat Now Send Inquiry
Vfl-22m Red Laser Pointer Sc FC St Adaptor 15-20km Visual Fault Locator

Vfl-22m Red Laser Pointer Sc FC St Adaptor 15-20km Visual Fault Locator

US $ 13-25 / Piece FOB
1 Piece (MOQ)
More
Main Products: FTTH Terminal Box, Finer Optic Cable, Fiber Optic Closure, FTTH Accessories, Fiber Optic Patch Cord, Patch Panel, Copper Connection Module, Distribution Box, ONU, Telecom Tools
Contact Supplier
Audited Supplier Audited Supplier Since 2020
Ningbo Meilan Communication Equipment Co., Ltd.

Manufacturer/Factory,Trading Company

Zhejiang, China Since 2020
Chat Now Send Inquiry
1MW/10MW/20MW/30MW Smart Vfl Cable Tester Visual Fault Locator for 2.5mm Universal Connector

1MW/10MW/20MW/30MW Smart Vfl Cable Tester Visual Fault Locator for 2.5mm Universal Connector

US $ 5-30 / Piece FOB
1,000 Pieces (MOQ)
More
Condition : New
Contact Supplier
Audited Supplier Audited Supplier Since 2020
Ningbo Meilan Communication Equipment Co., Ltd.

Manufacturer/Factory,Trading Company

Zhejiang, China Since 2020
Chat Now Send Inquiry
Skycom Visual Fault Locator T-Vf

Skycom Visual Fault Locator T-Vf

US $ 30 / Piece FOB
1 Piece (MOQ)
More
Main Products: Fusion Splicer, Fiber Cleaver, OTDR, Fiber Splicing Machine, Vfl, Optic Fiber Laser Source, Optical Power Meter, Pon Network Tester, Fiber Optic Construction Tools, Network Tools
Contact Supplier
Audited Supplier Audited Supplier Since 2012
Nanjing Tianxingtong Electronic Technology Co., Ltd.

Manufacturer/Factory,Trading Company

Jiangsu, China Since 2012
Chat Now Send Inquiry
Best Selling Visual Fault Locator (T-VF201)

Best Selling Visual Fault Locator (T-VF201)

US $ 25-60 / Piece FOB
1 Piece (MOQ)
More
Certification : CE, ISO
Contact Supplier
Audited Supplier Audited Supplier Since 2012
Nanjing Tianxingtong Electronic Technology Co., Ltd.

Manufacturer/Factory,Trading Company

Jiangsu, China Since 2012
Chat Now Send Inquiry
1MW/10MW/20MW Visual Fault Locator Vfl

1MW/10MW/20MW Visual Fault Locator Vfl

US $ 5.8-7.5 / Piece FOB
1 Piece (MOQ)
More
Main Products: Optical Cable, Fiber Cord, ODF, LAN Cable, Patch Cord, Patch Panel, Keystone Jack, Network Cabinet
Contact Supplier
Audited Supplier Audited Supplier Since 2012
SHENZHEN TELEMAX TECHNOLOGY CO., LTD.

Manufacturer/Factory

Guangdong, China Since 2012
Chat Now Send Inquiry
Pen Optic Fiber Cable Visual Fault Locator (T-VFL206)

Pen Optic Fiber Cable Visual Fault Locator (T-VFL206)

US $ 25-100 / Piece FOB
1 Piece (MOQ)
More
Usage : Network Cable Tester
Contact Supplier
Audited Supplier Audited Supplier Since 2012
Nanjing Tianxingtong Electronic Technology Co., Ltd.

Manufacturer/Factory,Trading Company

Jiangsu, China Since 2012
Chat Now Send Inquiry
Fiber Fault Locator Visual Fault Locator Vfl Tool Kit Cable Tester Optical Power Meter Visual Fault Locator Vfl Pen
View More

Related Searches

Gps Locator Device Satellite Gps Locator Gps Car Locator Gps Locator For Car Car Locator Device Car Tracking Locator Gps Locator And Car Tracking Gps Gsm Locator Gps Vehicle Locator Vehicle Tracker Locator

Browse by Categories

Home > Electrical & Electronics > Telecommunication & Broadcasting > Fiber Optic Equipment
1/58
TOP

Search Filter

Categories

More Less
  • Fiber Optic Equipment
  • Cable Tester
  • Cable Tools
  • Test Machine
  • Optical Fiber
  • Other Test Instrument
  • Energy Meter & Power Meter
  • Other Electronic Instruments
  • Other Electronics
  • Signal Generator

Certification

More Less
  • CE
  • RoHS
  • ISO
  • GS

Condition

More Less
  • New
  • Used

Type

More Less
  • Fiber Optic Connectors
  • Fiber Transceiver
  • Optical Fiber Distribution Box
  • Fiber Optic Attenuator
  • Fiber Optic Isolator
  • Fiber Optic Sensors
  • Fiber Optic Splitter&Coupler
  • Fiber Optic Multiplexer

Wiring Devices

More Less
  • MDF
  • ODF
  • Integrated Wiring
  • DDF

Company Type

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

Company Location

More Less
  • Beijing
  • Guangdong
  • Zhejiang
  • Tianjin
  • Jiangsu
  • Hubei
  • Shaanxi
  • Shanghai
  • Hebei
  • Shandong
  • Hunan
  • Chongqing
  • Hongkong S.A.R.
  • Fujian
  • Henan
  • Taiwan, China
  • Anhui
  • Sichuan
Reset Done