Prating: IP65 waterproof and
dustproof rating Fill light: white light +infrared fill light Expandable interface: Weigand output 26/34 | RS485 communication interface Operating
system: Linux Number of faces: 20,000 (building version) | 2000 (villa version)
Number of access control cards: 20,000(building version) | 2000 (villa version)
each tuya account 4 $ add