Item Type: Fiber Visual Fault Locator_x000D_Material: Aluminum Alloy_x000D_Output Optical Power: >10MW_x000D_Output Distance: 10km_x000D_Output Wavelength: 65010nm_x000D_Fiber Adapter: 2.5mm connector_x000D_Operating Temperature: 0 to +60_x000D_Storage Temperature: -20 to +70_x000D_Battery Type: 2 x 1.5V AA battery (delivered without battery) 1Fiber Fault Locator: This visual fault locator is specially designed for maintaining fiber optic cables and wiring, effectively locate defects on cables. 2Non Contact: With non contact connection, the meter will not damage the fiber and transmitter, and the output power will not affected by voltage fluctuations. 3Lightweight and Portable: The fiber optic pen is small in size and light in weight, energy saving greatly, can easy to carry for outdoor projects. 4Stable Output: The fiber optic pen has stable output power, the output distance is up to 10km, which is an important tool for fiber testing. 5Aluminum Alloy Housing: This fiber test pen adopts excellent aluminum alloy shell, which has high strength, anti drop, sturdy and durable. 1 x Fiber Visual Fault Locator 1 x Pen Bag 1 x Lanyard 1 x Ceramic Core 1 x Manual