2.5mm Universal Connector: Test for both single-mode and multi-mode ST/SC/FC Interface Fiber Optic cables.
Red light output distance 10KM, Replaceable Ceramic core Design to prolong the lifetime.
Crash-proof and Dust-proof Design for Metal Head. It is designed with stainless steel head to prevent crash and dust, and the case ground design prevents ESD damage efficiently.
This Visual Fault Locator will emit a 650nm bright red light which has stronPenetrating power, so that the leakage light at fault area is clearly visible.
Notice: We can not provide the battery because of the international express fobid bettery shipping. ( PS: need to purchase 2 AA-size alkaline batteries)