Deep learning algorithm 4.3-inch capacitive touch screen IPS 2 MP wide-angle dual-lens 3,000 face capacity, 3,000 card capacity, 3,000 fingerprint capacity and 150,000 event capacity Multiple authentication modes, including face, fingerprint and card, etc. Face recognition duration < 0.2 s/User Supports mask wearing detection Connects to external access controller or Wiegand card reader via Wiegand protocol Connects to secure door control unit via RS-485 protocol to avoid the door opening when the terminal is destroyed Two-way audio with client software, door station, indoor station, and main station Noise suppression and echo cancellation Support Wired, 2.4Ghz 802.11b/g/n Support Hik-Connect, QR Code Recognition, Face Anti-Spoofing 12 VDC to 24 VDC, 2 A Power Supply required Access Controller Built-In Support M1 Card Type