... * ZOOM/PAN/TILT * Protocol:PELCO_D,PELCO_P,KALATEL... 3D ptz keyboard,ptz controller,cctv productsLCD display, as man-machine Interface, LCD display board ... to control and easy to use. Keyboard lock function can prevent unapproved user operating the keyboard, more security. provide RS485 control output ... ,1 voltage:AC/DC 9V~12V power:5W 3D ptz keyboard,ptz controller,cctv products