Interface: USB interface, rs232 or ps2 Driver: Plug and play, no driver required Transmission mode: wireless 2.4G, Bluetooth 4.0, wired Transmission distance: 100m -free Battery capacity: 1200mAh Brand Name: Model: C740 Type: Scanner Optical resolution: 300 x 300 Scanning type: CMOS Scanning width: A4 Scanning speed: 300 scans per second Interface type: USB Color depth: 16 Product Type: Scanner Novelty: New Code reading mode: red light type: red LED 625nm+/-10nm Accuracy: 4 million Scanning field depth: 10-500 mm Decoding error rate: less than 1/500 million Supported codes: One-dimensional colour:Black+green Material:ABS size:124 x 41 x 25mm Package Contents: 1 x C740 Scanner 1 x Receiver 1 x Manual 1 x Data cable 1 x Neck strap Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.