Product Features: 
 ? Quantum well LD light source 
 ? 2.5mm Universal Interface 
 ? Always, flash, slow flash operating modes 
 ? Constant power output 
 ? Copper shell, rugged 
 ? Nano-technology, multi-static protection 
 ? Protection device with a light mouth 
 ? Pen design, use and easy to carry 
 ? Master switch in the pen tail pipe 
 ? Through the fiber-coupled optical power to ensure that 
 ? Factory 8 hours 50 ° C high temperature test 

 Product Features: 
 ? Fiber fracture, bending fault location 
 ? An OTDR blind fault check 
 ? End-to-end fiber identification 
 ? Mechanical splices optimization 
 Application: 
 ? Telecommunications, CATV engineering and maintenance 
 ? Integrated wiring construction and maintenance 
 ? Production and research of optical devices 
 ? Other fiber-optic project