Features 1、Smart Testing: The visual fault locator can test optical fibre breakage and bending as well as achieving end to end fibre identification. 2、Broad Utility: Allows for broad application on telecommunication, CATV engineering and maintenance, integrated wiring construction, etc. 3、Reliable Work: Non contact connection guarantees no damage, and the output power is not likely to be affected by the voltage fluctuations. 4、Simpler Using: Simple operation together with 10km output distance largely simplifies the testing and greatly improves working efficiency. 5、Easy Carrying: Powered by 2pcs AA battery, the lightweight and compact red light pen is very convenient to carry and store. Specification Item Type: Visual Fault Locator Material: Aluminium Alloy Output Optical Power: >10MW Output Distance: Approx. 10000m / 32808.4ft Output Wavelength: 650±10nm Optical Adapter: Universal Connector Operating Temperature: 0-+60℃ Storage Temperature: -20-+70℃ Battery Type: 2 x 1.5v AA (delivered without battery) Package List 1 x Visual Fault Locator 1 x Pen Bag 1 x Lanyard 1 x Ceramic Core 1 x User Manual