Fiber optic cable fault locator Single-mode output power 5mW,10mW,20mW,30mW optional Steel Red Laser visual fiber fault locatorFeatures:1. LD light ... Fiber jumper,Patch panel or connector etc. fault.Red light pen fiber-optic test fault detector Specificaitons: VLP-300AVLP-300BVLP-300CVLP-300DLight ... 170mm(without include interface)Weight160g(without include battery ) Fiber optic cable fault locator