QR Code Scanner Mobile Phone Screen Supermarket Cashier Scanner Features: 1. Applicable to various barcodes 2. Using high-performance intelligent 32-bit decoding chip, faster decoding speed, stronger code reading and error correction capabilities, and fast code scanning speed 3. Use quick rebound button, comfortable and durable 4. After the scan is successful, the buzzer and indicator light will remind you to avoid missing scans. 5. Made of high-quality materials, it can withstand the impact of being dropped to the ground multiple times from 2 meters, and can still work normally. It is shock-proof and fall-proof, and is durable and long-lasting. 6. Plug and play, compatible with all major systems 7. The scanner is suitable for various scenarios, such as shopping malls, supermarkets, pharmacies, hospitals, restaurants, dessert shops, clothing stores, etc. Scanning is convenient and fast Product parameters: 1. Image sensor: 640 x 480CMOS 2. Decodable (two-dimensional): Codablock F, Composite, Data Matrix Code, HANXIN, Matrix2of5, Maxicode, MicroPDF417, Micro QR code, MSl, PDF417, Pharmacode, QR Code 3. System compatibility: Linux, Android, Windows XP, 7, 8, 10, MacOS 4. Scanning mode: manual button scanning, automatic sensor scanning 5. Invoice function: supported (only for the Chinese market under Win system) 6. Minimum recognition accuracy: Code39 code 5mil 7. Scannable barcode types: one-dimensional and two-dimensional barcodes on paper and film; one-dimensional and two-dimensional barcodes on screens such as mobile phones and tablets 8. Movement tolerance: 2.5 meterssecond 9. Printing contrast: 25% 10. Barcode output editing: supports adding suffixes and suffixes 11. Fall resistance: can withstand multiple drops from 2 meters free fall 12. Waterproof and dustproof: IP54 13. Operating temperature range: -20 to 55 degrees Celsius 14. Working voltage: 5V 15. Communication interface: USB port (driver-free), USB virtual serial port (driver installation)