Control keyboard is the indispensable rear-end control device in integrated security system, it is specially designed for the quick control of speed dome camera and PTZ which are unable to control conveniently through DVR, let the actual control person control the front end more easily. Thanks to support for multiples protocols, this joystick is compliant with the majority of cameras in the market, especially with GIGAMEDIA product speed dome (CCTV and AHD)