Supports PC/mobile web clilent Supports online update and USB update Doorbell function Audio prompts Compatible with SmartPSS-AC and DSS Pro PC + ABS, suitable for indoor and outdoor use 2.4" LCD screen with a resolution of 240 × 320 Operating temperature: –30 °C to +65 °C  IP65 rated (silicone sealant is needed, see Quick Start Guide) Option to switch between reader and controller mode for added convenience 30,000 users, 30,000 cards, 3,000 fingerprints, 30,000 passwords, 50 admin accounts, and 150,000 records Card/remote/password/fingerprint unlock and unlock through their combinations Deep learning algorithm that reduces capacitive fingerprint recognition time to less than 1 s IC card,ID card and NFC technology Brand-new design with a slim, elegant structure Supports access control security module expansion to avoid tampering, increasing access safety Supports duress alarm, tamper alarm, intrusion alarm, door contact timeout alarm, illegal card exceeding threshold alarm, illegal password exceeding threshold alarm, and external alarm Supports guest users, patrol users, blocklist users, VIP users, General users, and others TCP/IP and Wi-Fi communication; auto registration, P2P registration, and DHCP