Hands-free USB Wired 1D 2D QR Barcoder Scanner Desktop Omnidirectional Bar Code Reader Platform with Top Trigger Button Support Continue Scan/Auto Sense Mode for Supermarket Retail Store Mobile Payment Computer Screen Features: Desktop hands-free design. Wired scanning platform free your hand and improve the working efficiency. Super fast and sensitive decoding ability, supports 1D/2D barcodes printing on paper, film, smartphone/tablet/PC screen. Extra large scanning angle, identify screen code, incomplete code and fuzzy code easily. Easy installation with USB cable, plug and play, no need to install any software or drivers, simple operation. Support Trigger Mode/Continue Scan Mode/Auto Sense Mode. Compatible Operating System for Windows, Mac OS, POS Cash Register, Linux. With anti-skid pads at the bottom. Widely used in supermarket, retails stores, clothing store, library and other fields. Specifications: Color: Silver/Blue/White/Orange(optional) Material: ABS+PC Electric Voltage: 5V DC Working Current: 390mA(Max.),220mA(Typical)    Optical Resolution: 640*480                                                                                                          Lighting Source: Red LED Supplement Scanning Speed: 300 Times/s                                                                                                                       Scanning Angle: Rotate Roll:0-360 degree, tilt pitch: ±65 degrees, deflect SKEW: ±65 degrees Sweeping Barcode Type: Paper, thin film medium one-dimensional; mobile phone, flat screen, etc.    Printing Contrast: 20% Error Rate: ≤1/2,000,000                                                                                                                          Interface Type: USB IP Level: Up to IP5X standard          Prompt Mode: Buzzer sound prompt and green light prompt         Decoding Capability: -1D: Code 39, Full ASCII Code 39, Code 32, Code 128, Code 93, Code 11, Codabar/NW7, All UPC/EAN/JAN code (EAN-13,EAN-8, UPC-A, UPC-E, EAN-128), Interleave 2 of 5, STD 2of 5, Industrial 2 of 5, matrix 2 of 5, Chinese Postage Code, IATA, MSI/PLESSY, Italian Pharmacy Code, Industrial 2 of 5,BC-412   -2D: QR Code, Data Matrix, PDF417, Aztec code, Maxicode, etc. OS Compatibility: Windows/Mac/Linux/Android                                                                                                Working Temperature: -20℃～50℃                                                  &nbs