4 ways to unlock: Fingerprint Unlock; Password Unlock; APP Unlock;Temporary Password Unlock 3 installation methods: Wall mounted installation 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 +, 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: Temporary password - Temporary password can be copied and shared, password can only be used once, valid for 5 minutes. Permanent password - Enter a 6-digit password to save, the button to wake up the 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: First, delete all fingerprints that have been entered in the database 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 Material:Metal Package Contents: 1 x Key Lock Box 1 x Charging cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.