* Used for our HD digital NVR & DVR. Built-in protocol of SISO & PELCO D / P. 

* Use RS-485 communication, baud rate can be set, built-in DVR control protocol of Hikvision & Dahua.    

* Can set NVR functions of screen switch, screen split display, menu set, as well as speed dome's control, etc.    

* Screen display can show camera ID, NVR ID & operating status.  

* 4-Axis joystick, easily control speed dome camera.    

* Can control many NVR via RS-485, and can connect multi keyboards to works together.    

* Size / weight: 250mm x 130mm x 105mm / 0.65 kg.