Feature: 1. With the best scanning angle, optimized scanning code window design, convenient and fast scanning 2. Very low power consumption, energy saving and environmental protection, can quickly and intelligently detect one‑dimensional and two‑dimensional screen codes 3. Exquisite appearance and small size, does not take up space, can display scan code 4. Supports automatic detection and fast scanning of codes, which can improve operation efficiency, and can set the scanning interval for continuous reading 5. Suitable for various application scenarios such as commercial supermarkets, restaurants, cash registers and QR code payment, etc. Specification: Item Type: Wired QR Code Reader Material: ABS Purpose: Used for barcode scanning Interface Type: USB (HID or V-COM) Working Voltage: DC 5V±10% Working Current: 127.5mA Standby Current: 82.5mA Working Temperature: -20℃-+50℃ Storage Temperature: -20℃-+70℃ . Package List: 1 x Wired 2-Dimensional Barcode Scanner1 x English User Manual Note: 1. When using a scanner, please make sure that the voltage meets the technical requirements2. During use, please do not shine directly on the eyes