Power consumption 20W Communication syste: RS485 bus Baud rate of communication: 1200〓2300〓4800/ 9600bps Pan speed 0.5o-180o64 ranges Pan movement: 360endless Tilt movement: 90 Automatic flip:Automatic 180o flip when vertical 90 Speed limitation by long focus The dome can automatically adjust the manually control speed based on the current focal length. Scan between 2 points: yes Scan speed: 128 ranges Preset position number: 128 Motor speed to preset position: 8 ranges Dwell time 255 ranges Tour number 4 Preset position number of each tour 16 preset positions Fan and heater Fan and heater automatically startdome camera with temperature controlling devices 12V DC