Material: metal Voltage: 9V AC/DC Power consumption: 5W With LCD display Computer keyboard simulation design Monitor control: 1 to 99 pieces Quantity of camera: 1 to 1,024 pieces Joy stick: 3-D Left, right, up and down functions RS-485 port with 1,500W thunder-proof function, short circuit protection PTZ/lens and accessories control Watch dog set and DVR control Built-in multi protocols Control speed cameras from different suppliers Control the speed of P/T and set preset positions cruise and alarm association Real time display the working status of decoder and matrix Alarm arming/alarm disarming, working situation display Alarm area display and keyboard buzz when alarm equipment alarms Eight group of administrators operation and keyboard lock function Surge protection and thunder-proof