Features 1、FLEXIBLE LIFTING: Visual fault locator adopt ergonomic design and use rotary automatic lifting and switching function 2、POWER SUPPLY: Visual fault locator support a variety of power supply modes for charging banks, computers, adapters, and lithium batteries 3、WITH LIGHT: Fiber optic cable visual fault locator support lighting function, convenient for field, equipment room, night and other dark environment line inspection construction 4、APPLICABLE SCENARIO: Visual fault locator can realize the optical fiber fault detection function, which is an indispensable tool in optical fiber engineering construction, optical fiber network maintenance, optical fiber device production and research 5、COMPACT AND PORTABLE: Fiber optic visual fault locator has compact size, easy to put in the pocket, does not take up space Specification Item Type: Visual Fault Locator Output Distance: 5KM Working Current: ≤40mA Endurance: ≥40H Charging Time: <5h Output Wavelength: 650nm Interface Type: Approx. 2.5mm / 0.1in universal adapter Power Supply Type: 1 x 18650 Lithium battery 1800mAh Charging Current: 600mA Working Temperature: -20℃~+60℃(no condensation) Storage Temperature: -40℃~+85℃ Package List 1 x Visual Fault Locator 1 x USB Cable 1 x Portable Rope 1 x Ceramic Tube