Item Type: Desktop 2D Barcode Scanner Material: ABS Recognition Depth of Field: Approx. 250mm/9.8in maximum Interface: USB Compatible System: For Windows, for Android, for IOS, for Linux and other systems Scan Tolerance: 2.2 m/s Decoding Type: Screen QR code, screen Code128 barcode Scan Mode: Automatic Sensor Scan Communication Interface: USB Working Temperature: -20 to 55℃ Overall Size: Approx. 102x79x69mm/4.0x3.1x2.7in 1、Function: Suitable for mobile payment cash register, attendance check?in, QR code self?service ticket collection, easy reading of mobile payment code and QR code. 2、Plug and Play: There is no need to install any drivers, compatible with systems such as for Windows, for Android, for IOS, for Linux and others. 3、Automatic Sensing: 360° recognition, no manual button is needed, as long as the QR code is close, the payment can be automatically and easily recognized. 4、Low Brightness: The desktop 2D barcode scanner makes use of diffuse reflection soft light low brightness lighting, the light is soft and not glaring. 5、Voice Reminder: The high grade Desktop QR barcode scanner adopts high quality speakers, and the sound quality is pure and pleasant. 1 x Desktop 2D Barcode Scanner 1 x Connection Line 1 x Manual