Brand : Datalogic Scan Type : Laser Form Factor : Handheld 1D / Linear Codes: Autodiscriminates all standard 1D codes includingGS1 DataBar™ linear codes Interfaces : QW2170-BK: RS-232 / Keyboard WedgeQW2120-BK: USB current Operating (Typical): 340 mA @ 5 VDCStandby/Idle (Typical): 190 mA @ 5 VDC input voltage : 5 VDC +/- 0.5 V