OTDR and CCTV Tester 5.4 Inch Screen 1310 1550nm 28 26dB Detection Support HD VGA Input Multifunctional Tester 100‑240V EU Plug Item Type: OTDR CCTV Tester Material: ABS Model: MT 6510 Small Memory Card: Included Battery: 7.4V Lithium Battery x 1 (5200mAh) (Built in) Line Finder Battery: AA Battery x 2 (Not Included) Features: OTDR/4K H265/Coaxial HD/HD Multimedia Interface/VGA/Network 1. 1310 1550nm 28 26dB incoming light detection. 2. 5.4 inch high definition full view capacitive touchscreen, for Android 10.0. 3. OTDR dual wavelength fiber optic detection, high dynamic range, maximum measurement distance of 150Km. 4. Event map function, intelligent link analysis, locating connection points or fusion points. 5. Multiple trajectory viewing, capable of viewing up to 4 curves simultaneously, more accurate results through comprehensive analysis. 6. Chinese operation and storage of test curves, scalable and movable curves for viewing details. 7. Save OTDR test results in files such as Excel, PDF, or screenshots. 8. Support H.265 and 4K main stream testing. 9. Network testing, PING, IP address conflict detection, IP scanning, etc. 10. Support TVI8MP, CVI8MP, AHD8MP. 11. HD Multimedia Interface/VGA input 12. Support remote control and mobile projection.