Feature:1. [OTDR Measurement] The tester supports OTDR wavelength of 1310 1550nm and offers a dynamic range of 28 26dB, allowing you to accurately detect and locate fiber cable faults with a maximum measurement distance of 150km.2. [CCTV Tester] CCTV tester supports H.265 and 4K main stream testing, can perfectly test up to 8MP AHD TVI CVI cameras, very suitable for upgrading old CCTV analog signal systems, also supports UTP cable testing.3. [5.4 Inch Screen] This OTDR CCTV tester features a 5.4 inch HD capacitive touchscreen and runs on for Android 10.0, providing a user friendly interface for easy operation.4. [Multi Functional] Support testing of large brand cameras, video level meters, peak video signal levels, SYNC signal levels, and color bar chromaticity measurements.5. [12V Output] This monitor has a 12V DC power output, and in situations where it is difficult to provide an independent power supply, you can power the camera separately.Specification:Item Type: OTDR CCTV TesterMaterial: ABSModel: MT 6510Voltage: 100-240VSmall Memory Card: IncludedBattery: 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/Network1. 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 input12. Support remote control and mobile projection..Package List:1 x OTDR CCTV Tester (Small Memory Card Included)1 x Storage Bag1 x Line Finder2 x Hand Strap1 x Original Charger1 x Power Output Conversion Cable1 x Terminal1 x User Manual4 x Connection Cable1 x Accessory1 x Alcohol Cotton (2 Sheets)