The front handle inside contains the fingerprint sensor, the chips, Lithium battery, and clutch components. Handle needed to be charged from the front handle. No battery in the back handle. Up to 30 fingerprint users and 192 code users, 146 Bluetooth users. Sleek design keypad door lock with handle uses the high biometric fingerprint sensing technology and unique algorithm saves your information on the local chip to prevent information leaking which provides a higher grade of security and privacy protection for your house, apartment, office, hotel, or any other personal spaces. With a smartphone app, you can easily manage this fingerprint door lock: grant access to your family, friends, and guests monitor logs of events and get alerts. Set up various access code/key according to your need: temporary/ permanent/ one-time/ recurring password unlocking. Never worry about any more whether you lock the door on the way out. The digital door auto-lock feature remembers to keep your home secured. With the smartphone app, you can set up the auto-lock timer or automatically lock it when the door shuts. SPECIFICATIONS: Material: Zinc Alloy Handle Direction: Left Pull Power supply: Lithium battery Unlock method: Fingerprint code Phone APP Application: Home, Apartment, Office, building, department warehouse
