~ 5 volts/static 36 mA/ operating 85 mA~ Light Source/ visible Laser Diode 650nm~ Scan mode : Automatic scan rate; 48 times/sec~ Scan Depth :0-250mm(0.33mm pos0.9)~ Print contrast : min 30%~ Buzzer/led indicator~ Size : 185mm x 67mm x 50mm~ AntiShock design : designed to withstand 1.5M drops~ Supporting the RS232, PS2, USB interface. Cable standard2M~ Color : Black or white