Multi-Format HD Aanlog Camera Testing Supports 8MP AHD/TVI/CVI cameras and analog CVBS systems, with auto-recognition via HD app to display resolution (up to 4K) and frame rate in real time. Features coaxial PTZ control and OSD menu access for seamless camera configuration and debugging. Note: Doesn't support IP Cameras. UTP Cable Diagnostic Tool Tests RJ45 network cable continuity, identifies near-end fault points, and measures length up to 3,000 meters (requires one end connected to the tester). Ideal for pre-installation cable checks in CCTV setups. Universal Signal Compatibility 1-channel BNC input for CVBS video (NTSC/PAL auto-adapt), RS485 control with 30+ protocol support (600-115200bps baud rate), and 1-channel audio input to verify sound functionality. Perfect for multi-brand security systems. Portable Power & Visibility Built-in 3.7V/4000mAh battery provides 5+ hours of operation; includes DC12V/1A output to power cameras on-site. Bright LED flashlight i