Voltage:/frequency:AC100-240V,50/60HZ Power consumption:120W Laser color:single red,single blue or single green for choice Beam diameter and angle:3.5mm;less than 1.0mrad Cooling system:low noise fan cooling system Control mode:auto movement/dmx512/sound control Control function:DMX512,auto movement,sound control Control channel:6/14CH Laser control signal:TTL Scan system:step motor Scan angle: about 25 degrees