Welcome to our store! 1、FLEXIBLE LIFTING: Visual fault locator adopts ergonomic design and uses rotating automatic lifting and switching function 2、POWER SUPPLY: Visual fault locator supports a variety of power supply modes for charging banks, computers, adapters, and lithium batteries 3、WITH LIGHT: Fiber optic cable visual fault locator supports 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 your pocket, does not take up space 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 Charging Voltage: 5V Working Temperature: -20℃~+60℃(no condensation) Storage Temperature: -40℃~+85℃ 1 x Visual Fault Locator 1 x USB Cable 1 x Portable Rope 1 x Ceramic Tube Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will give you the best solution!