Dahua Four Door two-way Access Controller
> Adopts Linux and comes with a webpage.
> Supports 100,000 users, 100,000 passwords, 100,000 cards, 10,000 fingerprints, and 500,000 access records.
> Supports multiple unlock methods including card, password, fingerprint and QR code. You can also combine them to create your own personal unlock methods.
> Supports RS-485 card reader and Wiegand card reader.
> Offers multiple types of alarms such as duress, tamper, intrusion, unlock timeout, excessive use of illegal card, mains electricity power failure and undervoltage.
> Supports anti-passback, multi-door interlock, multi-person unlock, first-card unlock and remote verification.
> Supplies power to 4 locks (12 V, 1.2 A or lower) and 8 card readers (12 V, 500 mA or lower) at the same time.
> Supports charging and discharging the battery. The battery is sold separately, but a space was reserved for it that is 157 mm × 127 mm × 75 mm (6.18" × 5.00" × 2.95") (L × W × H).
> Features the fire alarm linkage. The device must be connected to the alarm input port and the corresponding linkage must be configured.
> Fire safety control linkage can be accessed through the independent port.
> Supports TCP/IP connection, auto registration, P2P registration and DHCP.
> Compatible with the platforms of SmartPSS Lite, DSS Pro and DMSS.