1、Smart Scanning: Adopting optical imaging scanning, can easily scan the QR code and barcode on mobile and computer screens. 2、Practical Uses: Can be applied for daily cashier scanning, mobile phone scanning code payment, express scanning and so on. 3、Simple Working: You can also fix the barcode scanner on the table to free your hands, which will improve work efficiency. 4、Efficient Work: No needs for software, drivers, or network, and you can quickly start working by plugging the USB cable. 5、Easy Carrying: Designed to have a light weight and a compact size as well, both the storage and carrying are very simple. 1 x QR Code Scanner1 x English User Manual Item Type: QR Code ScannerMaterial: ABSColour: BlackInput Voltage: 5VDCWorking Current: 320mAStandby Current: 235mAAmbient Operating Temperature: -20℃ to 60℃Storage Temperature: -30℃ to 70℃Humidity: 5% to 95% relative humidity, non condensing. Features: Shock resistant design withstands dropping from 1.2m height. Application: It can be used for daily cashier scanning, mobile phone scanning code payment, express barcode and QR code scanning.