Upgraded 5.0-inch 800 x 480 high-resolution analog camera tester with clear picture quality and supports PAL/NTSC standard video signals. specially developed for on-site installation and maintenance of analog cameras and high-definition coaxial cameras, providing many useful functions, such as video display, pan/tilt control, DC12V output power, testing, image generation Adapter, VGA video signal input, 1.0 input(It is Suitable for Testing DVR/NVR), RS485 data search, cable test, LED lights, etc. The video surveillance tester has built-in Pelco-D/P PTZ control protocol, etc. Through the built-in RS485 interface, the user can control the up and down, left and right rotation of the PTZ, and can adjust the zoom, , and aperture size in one machine. The tester supports UTP cable testing, displaying the UTP cable connection status, cable type and wire sequence, and reading the test box number. DC12V 1A output power supply, use the DC12V power supply output by the tester to power the camera, and it can work continuously for 11 hours after being fully charged