1、FINGERPRINT LOCK OPENING: Hold the handle, accurately identify the fingerprint, press the handle and can be unlocked, go home to open the door in one go 2、IC CARD EASY TO OPEN: Suitable for the elderly, children, finger scars and other special people fingerprint can not be identified, can carry smart cards, swipe the card to open the door, convenient and safe 3、INTEGRATED STRUCTURE: The design is simple and durable, using 4 AA batteries, possess lasting life, when the power is insufficient, take the initiative to remind; When the battery runs out, the mechanical key can be used to open the door, or the Micro USB at the bottom of the smart lock can be temporarily powered by charging bank 4、REMOTE TEMPORARY PASSWORD: For tongtongsuo APP can generate a one time password at any time to send to temporary visitors, set a valid time, visitors are more convenient to access 5、APPLICABLE SCENARIO: Fingerprint lock is suitable for door thickness 35‑90mm, the application field is hotel, guesthouse, apartment, rental room, homestay, dormitory and other occasion