Feature: 1. Main Functions: Specialized in detecting and maintaining optic cable designs, to locate defects in fiber and cable, visually search for equipment with fiber breakage and defective fiber optic cables. 2. Non Contact: This visual fault tester adopts a non contact connection, will not damage the end face of the optical fiber and transmitter, and the output power is not affected by voltage fluctuations. 3. Portable Design: The fiber optic tester is designed in a pen shape, compact and lightweight, comfortable to hold, convenient for use anytime and anywhere, greatly improving work efficiency. 4. Working Parameters: The output distance of the tester is 30mW, the output wavelength is 650nm ± 10nm, and it is equipped with universal fiber adapter, has a wide range of applications. 5. Battery Powered: This visual fault locator is powered by 2 AA batteries (not included), making it easy to use anytime and anywhere without the need to connect a power cord or charge frequently. Specification: Item Type: Visual Fault Locator Output Distance: 30mW Output Wavelength: 650nm±10nm Operating Temperature: -20-60℃ Fiber Adapter: Universal Connector Battery: 2 x AA Battery (not included). Package List: 1 x Visual Fault Locator