1. 4.3 inch 480x272 resolution LCD screen for clear on site video display. 2. 4 in 1 PAL/NTSC auto adapt to quickly match common CCTV standards without manual switching. 3. Hybrid camera tester supports testing and debugging coaxial 720P/960P/1080P/3MP/4MP/5MP/8MP AHD camera, CVI camera, TVI camera, and CVBS analog camera. Not compatible with IP cameras or SDI cameras. The LCD provides video display during testing. 4. Shows clear image for effective troubleshooting and verifying correct faraway installations. 5. Control and OSD menu access: press and hold the M menu button for 5 seconds to enter the on screen display, which is shown at the of the screen. Applications and use scenarios Field installation and troubleshooting of mixed format coaxial CCTV systems in warehouses, offices, or retail sites. Use the tester to verify camera signal, format compatibility, and alignment before final wiring to a DVR/NVR. Camera upgrades or system modernization projects where multiple formats (AHD, CVI, TVI, CVBS) are present. The tester helps confirm compatibility and resolution for each camera type. On site fault isolation for long cable runs. Quickly determine if the issue lies with the camera, the cable, or the signal format by assessing the displayed image and signal quality on the built in screen.