Feature: 1. [Visual Fault Locator] The visual fault locator is designed for maintenance of fiber cables and networks, visually locating defects on cables and identifying faults in fiber optic equipment. 2. [30mW Output Power] With an output power of 30mW and a wavelength of 650nm±10nm, the fiber optic pen offers accurate and efficient fault detection. 3. [Non Contact Connection] The non contact connection guards fiber and transmitter end faces, and its output power is not affected by voltage fluctuations. 4. [Easy to Use] Featuring an anti slip handle and a sliding switch design, this red light pen offers a comfortable grip and easy control for seamless usability. 5. [Compact and Portable] Compact and lightweight, this fiber optic pen is easy to carry and provides stable power output, making it an ideal tool for fiber testing. Specification: Item Type: Fiber Optic Visual Fault Locator Material: Aluminum Alloy, Ceramic Model: AUA 50 Output Optical Power: >30mW Output Wavelength: 650nm±10nm Fiber Adapter: Universal Connector Operating Temperature: 0~+60℃ Storage Temperature: -20~+70℃ Battery Type: 2 x AA Alkaline Batteries (Without). Package List: 1 x Fiber Optic Visual Fault Locator1 x Ceramic Core1 x Storage Bag1 x Hanging Rope1 x Instruction Manual