... , DVR, PTZ camera 2.3-D,Backlit keys 3.multi-protocol and baud rat CCTV controller: Features: The DS- ... can control DVR,Matrix,speed dome camera with one keyboard.The DS-1676 includes an integral variable speed pan ... :Control matrix, DVR, and PTZ products with one keyboard.Backlit keys and easy-to-read displays.Simplified system ... .Buzzer effect and backlight .Password protection. 3-Axis CCTV controller