Features: Scan rate : 1,400 scans / second ( omni-directional ) , 74 scan/second ( sinlge line ) Number of scan line : 20 Min. bar width : 5 mils Printing contrast ; 30 % Indicator : 3 color LED light Interface : PS2/ USb / RS232, Wand emulation Input voltage : 5 VDC +/- 10% Power consumption ; 1.0 watts operating current : 270 mA Laser Class : IEC 60825 Class 2 Drop Durability : 1.0M drops