4 ways to unlock: Fingerprint Unlock; Password Unlock; APP Unlock; Temporary Password Unlock 3 installation methods: Wall mounted installation; Door mounted installation; Peephole door installation Convenient OKOKL APP management system allows you to manage your Smart Key Storage Box anytime and anywhere The product supports APP remote generation of temporary password, which can only be used once and is valid for 30 minutes The device is waterproof and corrosion-resistant with IP54 rating, protecting the dial and keys from dust, rust, sunlight, rain, and snow Emergency power unlocking via USB cable (for emergency unlocking only, not for charging; uses non-rechargeable battery) Usage Steps: Download software, register an account, enable Bluetooth and location Scan the QR code on your phone to bind the lock Add fingerprint and password to unlock Fingerprint settings: Add a fingerprint by following prompts, press repeatedly five times Password settings: - Temporary password: Can be copied and shared, single use, valid for 5 minutes - Permanent password: Enter a 6-digit password to save, press button to wake up Add friends by entering phone number or email; set permanent, periodic, or temporary authorization View unlock history and authorization records Battery status check: Low battery alert when level is below 20% (indicator light alternates between red and blue) Restore factory settings: Delete all stored fingerprints Go to settings and unbind the device Note: Product appearance may vary slightly due to different batches; this does not affect functionality Color: Black Material: Metal Package Contents: 1 x Key Lock Box 1 x Charging cable Only the items listed above are included; other items are not part of the package Note: Lighting effects and display differences may cause slight color variation between the image and the actual item. Measurement error allowance is +/- 1-3 cm