The new HD Coaxial tester is developed for the on-site installation and maintenance of Analog Camera (CVBS) and HD Coaxial Camera, having AHD. (NOT Support IP Camera). It also provides many useful functions, such as video display, PTZ control, DC12V output power, test, image generator, VGA video signal input, 1.0 signal input, RS485 data searching, cable testing, LED lamp etc. VGA Inputit support VGA 11 compliant digital inputonce connect VGA video,please switch selector to select VGA/ Mode,The maximum resolution is 1920*1440. Video monitor tester, High-resolution 5.0 inches 800 (RGB) x480 wide viewing angle display, Viewing angle larger, more intuitive and easy to display the camera image quality. Support PAL/NTSC standard video signal. Video monitor tester built-in Pelco-D / P PTZ control protocol,etc. , through its own RS485 interface, the user can control the PTZ up, down, left, right rotation, and adjust one machine zoom, ,aperture size. The tester support DC12V (1A) power output for camera. It is helpful for demo and testing when the power supply is not available. Vedio monitor tester support High-resolution 5.0 inches 800 (RGB) x480 wide viewing angle display, Viewing angle larger, more intuitive and easy to display the camera image quality.