<p>Photoelectric in sulated RS485 controlling mode,strong anti-jamming and long-distance trasmission (Max 1.5km)</p> <p>Control up to 128 units, each unit can be set 1-255 addresses</p> <p>Variable speed orperation can be applied to the built-in Pan\/tilt of camera</p> <p>Easy to set and run the preset positions and tour group</p> <p>Easy to set the left and right limiting positions and run the scan between them.</p> <p>Home (default) position can be set up, activated and closed by the controller.</p> <p>LCD display, as man-machine interface, LCD display board is more intuitionist, convenient, each to understand, plentiful information.</p> <p>Communication: -485</p> <p>Protocol: Pelco-D, Pelco-P</p> <p>Baud Rate: 1200 \/ 2400 \/ 4800 \/ 9600 \/ 19200</p> <p>Communication Distance: 1500M (4900ft) twisted-pair</p> <p>control functionup,down,left,right,zoom in,zoom out</p> <p>Max controllable Cameras: 128 units</p> <p>Camera ID from: 1 - 255</p> <p>Ambient Temperature: -10C ~ 60C</p> <p>Relative Humidity: 90% RH</p> <p>Power Supply Adaptor</p> <p>Input: 100 - 240V AC</p> <p>Output: DC 12V, 200mA</p> <p>Plug Type: US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the , the Philippines and so on.</p> <p>Colour:Black</p> <p>Material:plastic</p> <p>Voltage: 110-220V</p> <p>Package Contents:</p> <p>1 x Keyboard Controller</p> <p>1 Supply Adapter</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>