There are five versatile unlock options: fingerprint, app control, password and access card. In addition, a manual key is provided in case of emergency, giving you a backup solution and giving you peace of mind. Pair the smart key box with the TUYA gateway (sold separately) to remotely control, authorize and manage users via your mobile phone. You can open the door freely anytime and anywhere, no matter where you are. Also, you can view the unlock history in the app. The smart safe box is IP65 certified to ensure wind and rain resistance, so it can store keys and valuables safely in any weather conditions. Made with high quality zinc alloy, this safe has been upgraded to include a protective cover to further increase key security. The key box can be flexibly installed and mounted on the wall by screws for use in garages and offices. It can also be hung on the handle with a hook and loop for use at home and in hotels. The large capacity can accommodate keys, access cards, car keys or other important items. The Bluetooth safe box is battery operated and requires 4 AAA alkaline batteries (not rechargeable, not included). In the event of a power outage, the emergency USB-C port can be used for temporary power delivery. Designed with a sturdy locking mechanism to resist tampering and prevent theft., Weight: 1.92022630202 pounds, Manufacturer: Rtxbvg