PTZ controller: 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 DC12V 1A output power: Power the camera with DC12V (1A) power output from the tester. It is helpful for demo and testing when the power supply is not available. Rechargeable: Built-in 18650 2600mA battery X 2,after charging 3-4 hour, working time lasts 11 hours 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. The 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). 5.0 inches 800 x480 High-resolution view angle display, more intuitive and easy to display the camera image quality, support PAL/NTSC standard video signal., Manufacturer: LLOOPK