Powerful 2D Code Decoding Capability: This scanner supports screen scanning, which can easily capture one-dimensional and two-dimensional codes on labels, papers, mobile phones or computer screens. It is sensitive and accurate, and can easily identify even distorted, , blurred and colored barcodes. Wireless 2.4G Bluetooth: Adopts 2.4GHz wireless transmission technology, supports reliable transmission, and has a maximum wireless distance of 100m. It supports Bluetooth mode and wired mode, and can switch to the required mode as needed. Strong compatibility: compatible with for IOS, for Mac OS, Windows, Linux, Unix, Android and other systems and various software, suitable for desktop and laptop computers, no need to install drivers, plug and play. Large capacity battery: built-in 1100mAh large capacity lithium battery, can scan continuously for 12 hours, standby time greater than equal 90 days (after sleep). High-performance MCU: using advanced CMOS image recognition technology, intelligent image recognition system. Easily read barcodes on paper, screen and other media. Name:2D Barcode Scanner Model:BX20 Interface Type: USB Interface Resolution: 640*480 Decoding Density:greater than equal 4mil Scanning Rate: 25CM/S Transmission Distance: 100m Battery Capacity: 1100mAh Continuous Scanning: 12 Hours Standby Time: 90 Days Size: 91x40x24mm Color:Black Material:plastic Package Contents: 1 * Barcode Scanner 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.