1、Four unlocking methods, including mobile APP, fingerprint, password, andcard. 1000 large‑capacity users (management user 2, visitor user: 10, card/password user: 888, fingerprint capacity: 100) 2、For Tuya Bluetooth access control machine, one‑click connection to Bluetooth to open the door, can realize intelligent linkage with other for Tuya ‑supported products. 3、For Tuya APP intelligent management, you can view unlock records, add and delete users. After the card is lost, use the keyboard to delete the card number, completely eliminate security risks. 4、Fully sealed and potted, the inside is fully sealed with PE glue, not afraid of rain, and the IP66 waterproof level is safer. Multifunction machine, WG26‑ 44 output and input. Touch buttons, more flexible. 5、The Bluetooth connection of the mobile phone to the for Tuya gateway can realize remote opening of the door (the for Tuya gateway is not included in the shipment and needs to be purchased by the customer). 6、With independent password, you can use a password that has nothing to do with the card to open the door, and the user can also modify the password by himself. 7、With anti‑disassembly alarm function, the alarm will sound after illegal disassembly. With output short‑circuit protection function, the output will beautomatically turned off within 100 microseconds when the electric lock or alarm output is short‑circuited.