1. Ergonomics, not tired after holding it for a long time 2. Wireless storage function, can store 2000-8000 bar code information 3. Plug and play, no driver required 4. Scan the QR code to automatically enter the invoice information, making it easier and faster to issue invoices 5. Scanning method: key trigger / continuous scanning / auto-sensing 6. Scanning rate: 300 times/sec 7. Waterproof rating: IP54 8. Working voltage: DC5V 9. Surrounding lighting: 60000lx 10. Rated current: 395mA 11. Interface type: USB interface 12. Features: high-speed, sensitive, durable, portable, plug and play 13. Prompt mode: buzzer, LED indicator, vibration 14. Battery capacity: 2000mah 15. Transmission mode: wireless 2.4G transmission, Bluetooth transmission, wired transmission 16. Charging time: 5-7 hours 17. Resolution: 800x640, global exposure 18. Operating environment: -10 to 50 degrees Celsius 19. Storage temperature: -20 to 70 degrees Celsius 20. Packing list: scanner, charging/wired transmission base, data cable, manual 21. Dimensions: 110x73x205mm 22. Weight: wired: 0.3kg, wireless: 0.65kg