1. USB wired barcode scanner to capture 1D, 2D code on labels, paper, mobile phone or computer. 2. High-efficiency recognization and high upload speed for improving your working efficiency. 3. With buzzer for reminding you that the scanning successfully or not. 4. Compatible with USB and UART interface. 5. Over 180 configurable options Macro support replace a string in the bar code with another Programmable preamble postamble and termination strings Superior reading performance utilizing advanced decoding algorithms Operating Voltage: DC 5V Standby Current: 30mA Operating current: 160mA Sleep Current: 3mA Light: White light Capture light: Red Scan Angle: Roll: 0-360°, Pitch: ±65°, Yaw: ±60° Resolution: 648x 488 Scanning angle: 35° (Inclination), 28° (Elevation) Colour: Black Material: PC+Metal Package Contents: 3 x Barcode Scanner(With Cable ) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.