Fangrui Product Details Interface: Usb Interface, Rs232 Or Ps2 Driver: Plug And Play, No Driver Required Mission Mode: Wireless 2.4g, Bluetooth 4.0, Wired Mission Distance: 100m Barrier-free Battery Capacity: 1200mah Name: Model: C740 Type: Barcode Scanner Optical Resolution: 300 X 300 Scanning Elements Type: Cmos Scanning Width: A4 Scanning Speed: 300 Scans Per Second Interface Type: Usb Color Depth: 16 Bits Product Type: Barcode Scanner Novelty: New Code Reading Mode: Red Light Light Source 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 Barcode 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 Products Are Not Included. Note: Light 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.