Feature: 1. Application: Widely used in the management of visitor entry personnel in commercial office buildings, tourist personnel management in scenic spots, and visitor entry and exit management in communities. 2. High Sensitivity: The card reading distance is about 3‑6cm, and the reading speed is less than 200ms; the QR code reading distance is about 0‑20cm, and the use is sensitive. 3. Built in Buzzer: The built in buzzer, and there is a sound prompt when opening the door, which is more convenient to use. Automatic induction scanning code, intelligent to use. 4. Excellent Performance: RFID QR code card reader has beautiful appearance, fast scanning speed, high recognition rate, strong compatibility, suitable for various application scenarios. 5. Perfect Replacement: RFID barcode access control reader can upgrade the equipment you are using now, and realize the perfect upgrade for the traditional credit card system in various industries. Specification: Item Type: RFID Barcode Access Control Reader Material: PC, Acrylic Usages: Widely used in business office building visitor entry personnel management, scenic tourist personnel management, community visitor entry and exit management, administrative hall access control management, smart home, etc. Card Type: EM card or M1 card Barcode Type: Barcode, QR Code Communication Method: USB Decoding Mode: CMOS QR Code Reading Direction: Take the lens as the center point and the inclined plane is 45° Scanning Features: Automatic induction, buzzer prompt Working Voltage: 8-12V Working Current: 150mA Card Reading Distance: Approx. 3-6cm/1.2-2.4in Reading Speed: <200ms QR Code Reading Distance: Approx. 0-20cm/0-7.9in Working Temperature: -20℃ to 70℃ Working Humidity: 10%-90% Operating System: For Windows XP 7 8 10, for Linux Built in Horn: Buzzer. Package List: 1 x RFID Barcode Access Control Reader1 x Cable1 x Manual