Feature:1. MULTI APPLICATIONS: OTDR tester can be used to evaluate the construction and maintenance of FTTx and access network, identify optical fiber breakpoints, measure the length of optical cable, and calculate the relative optical power loss.2. 6 FUNCTIONS: OTDR optical fiber tester has six functions: optical time domain reflectometer, optical power meter, stable light source, visual fault location, LED lamp, event map, highly practical.3. TOUCH SCREEN: The OTDR optical fiber tester adopts 3.5 inch color touch screen, which is easier to operate.4. HIGH PERFORMANCE: With 1550nm stable light source, support 0 to 80km, support 8 wavelengths, the tester has a wide range of applications.5. COMPACT DESIGN: Compact in size and light in weight, this optical fiber cable tester is convenient for carrying around.Specification:Item Type: OTDR Fiber Optic TesterMaterial: ABSModel: AUA 16AConnector Model: SC APCStable Light Source: 1550nmOTDR: 0-80kmOptical Power Meter: 8 wavelengths 850 980 1300 1310 1490 1550 1625 1650Red Lighting: 10mwLED Light: YesDustproof Interface: SC interface for OTDR, 2.5mm interface for OPM PFLDisplay: 3.5 inch touch screen displayPower Supply: Built in 3.7V 2200mah polymer battery (built in)Plug Voltage: 100-240V6 Functions: Optical time domain reflectometer, optical power meter, stable light source, visual fault location, LED lamp, event map.Package List:1 x OTDR Fiber Optic Tester1 x Manual1 x Charging Head1 x Charging Cable1 x Light Disk1 x Storage Bag