
TimeWatch TW-AER81: QR Code & Card Reader for Access Control: The TW-AER81 is an advanced QR code and ID card access control reader designed for secure visitor and personnel entry management. It connects with access controllers via Wiegand interface, scanning QR codes and ID cards for efficient two-way/one-way access. The device features double fill light for rapid scanning, a smart chip, 2MP dual-lens camera, tempered glass window, reserved speaker interface, and indicator lights. It supports TCP/IP and USB decoding, reads cards/QR from 0–20cm, and is suitable for offices, public buildings, and visitor management systems.

Double fill light

QR

Id card

Smart chip
| Specification | Details |
|---|---|
| Product | QR Code Access Control Reader |
| Material | PC Material, Reding Window, Tempered Glass |
| Card Type | ID Card (MIFARE Optional) |
| Reading Speed | < 200ms |
| Working Voltage | 5 ~ 15 V |
| Reading Distance | 0 - 20 cm |
| Working Current | 800mA |
| Scanning Feature | Auto Sensor, buzzer |
| Working Temperature | -20°C ~ +70°C |
| Working Humidity | 10% ~ 90% |
| Interface | Weigand, RS485, RS232 (Optional) |
| Light Indicator | Red Working light, Green Feedback light, Light Green Network light |
| Decoding Support | QR/Barcode on paper, Mobile Phone |