Optical Time Domain Reflectometer 1610nm 28dB Portable Network Optic Fiber OTDR Tester Item Type: Optical Time Domain Reflectometer Material: ABS Model: MT 6510 Memory Card: Shipped With Memory Card Engineering Treasure Battery: 7.4V Lithium Battery x 1(5200mah)( Shipped With Built In Battery) Line Finder: AA x 2( Shipped Without Battery) OTDR Optical Time Domain Reflectometer, 4K and H265, Coaxial HD, High Definition Multimedia Interface, VGA, Network 1610nm 28dB With Optical Detection 5.4 Inch HD Full View Capacitive Touchscreen and for Android 10.0. OTDR Dual Wavelength Fibre Detection, High Dynamic Range, Maximum Measuring Distance 150Km. Event Map Function, Intelligent Link Analysis, Locate Connection Points, Fusion Splicing Points. Multi Track View, Can view up to 4 curves at the same time, comprehensive analysis, more accurate results. Chinese operation and storage of test curves, can zoom and move curves to view details. OTDR test results are saved as files such as EXCEL, PDF or screenshots. Support H.265, 4K main code stream test. Network Test, PING, IP Address Conflict Detection, IP Scanning, etc. Support TVI8MP, CVI8MP, AHD8M . High Definition Multimedia Interface, VGA Input Support Remote Control, Mobile Phone Projection.