Welcome to the store! 1. Fiber Fault Locator: This visual fault locator is specially designed for the maintenance of fiber optic cables and lines, efficiently locating defects on cables. 2. Non-Contact: With a contactless connection, the meter will not damage the fiber or the transmitter, and the output will not be affected by voltage fluctuations. 3. Light and Portable: The fiber optic pen is small in size and light in weight, highly energy-efficient, and can be easily carried for outdoor projects. 4. Stable Output: The fiber optic pen has a stable output, with an output distance up to 10 km, making it an essential tool for fiber testing. 5. Aluminum Alloy Chassis: This fiber test pen features an excellent aluminum alloy casing, offering high strength, impact protection, durability, and long-lasting performance. Product Type: Fiber Visual Fault Locator Material: Aluminum Alloy Output Optical Power: >10MW Output Distance: 10km Output Wavelength: 650±10nm Fiber Adapter: 2.5 mm contact Operating Temperature: 0℃ to +60℃ Storage Temperature: -20℃ to +70℃ Battery Type: 2 x 1.5V AA batteries (supplied without batteries) 1 x Fiber Visual Fault Locator 1 x Pen Case 1 x Cable 1 x Ceramic Core 1 x Manual Your satisfaction is our highest priority. We will provide you with the best service. If you encounter any issues after receiving the product, such as damage or incorrect quantity, please contact us immediately, and we will provide you with the best solution!