4 ways to unlock: Fingerprint Unlock; Password Unlock; APP Unlock;Temporary Password Unlock 3 installation methods: ①Wall mounted installation ② Door mounted installation 3. Peephole door installation Convenient OKOKL APP management system, you can manage your Smart Key Storage Box anytime and anywhere; The product supports APP remote generation of temporary password, the password can only be used once, the validity of half an hour; The device is waterproof and anticorrosive, waterproof grade IP54; protect the dial and keys from dust, rust, sunlight, rain and snow.Emergency power unlocking.USB cable only for emergency unlocking can not be used for charging. (Non-rechargeable battery) Usage Steps: Software download OKLOK+, register an account, open Bluetooth and locate; Scan the QR code on your phone and bind the lock; Add fingerprint and password to unlock: Fingerprint settings: Add a fingerprint, enter the fingerprint according to the prompts, and repeat pressing five times. Password settings: ① Temporary password - Temporary password can be copied and shared, password can only be used once, valid for 5 minutes. ② Permanent password - Enter a 6-digit password to save, press the button to wake up the smart lock Add friends, enter your phone or email to add friends, and you can set permanent authorization/periodic authorization/temporary authorization; Unlock record query/authorization record; Battery inquiry: Low battery prompt, when the battery level is below 20% (the indicator light alternates between red and blue); Restore production settings: ① First, delete all fingerprints that have been entered in the database ② Click on settings, unbind to restore factory settings Due to different product batches, the appearance may be different, which does not affect use. Colour:Bl