1Super decoding ability can quickly scan printing and 1D/2D barcode of mobile phone screen. 2Plug and play, no driver or software required, 1D scanner keeps easy installation with USB cable. 3Large scanning angle can be easy to identify screen codes, incomplete codes and obscure codes. 4Built to strict quality control standards, 2D scanner's quality is guaranteed, you can use it with confidence. 5No extral step is required when you use such 1D scanner to scan and the operation is simple. Item Type: 1D scanner Color: White Model: YHD-9200 Optical Resolution: 640 x 480, 120 fps Light Source: Red LED Scanning Speed: 2200 times/second Scanning Angle: 0-360 degrees, tilt angle: 65, skewness: 65 Resolution: 4 million Interface Type: USB: For HID keyboard (default mode), USB virtual serial port Reminder: Buzzer, LED Depth of Field: 13 million UPC (20-120 mm) 5 million Code128 (20-60mm) 10 million Code128 (20-100mm) 20 million QR (20-140mm) Voltage: 5V DC Working Current: 390mA (maximum), 220mA (typical value)