Security & Protection>>Other Surveillance Products . LCD display. 2. 4 Axis optical joystick 3. Support multiple protocols ... control all of the function of high speed domes and with Key backlight. 5. It can control the DVR: image ... .8. Matrix switch. 9. 16 user account, 8 digit password. Power SourceDC9V/5WCommunicationRS485Distance1200MProtocolPELCO-D,PELCO-P,MOLYNKBaud Rate2400,4800,9600,19200Most ...