WeHere Key Lock Box use Bluetooth/One-Time Password/Fixed Code Unlock, Electronic Lock Box for House Key, Wall Mount Hide a Key

Brand WeHere Lock Type Key Item Dimensions LxWxH 7.3 x 4.57 x 1.7 inches Alarm Lock Water Resistance Level Water Resistant Item Weight 1 Kilograms [Key Box Safe Design]OTP(one-time password) is a widely used technology that can prevent password leakage and forget.You can learn about the usage record of the password in the phone app. The metal Lockbox is made of1 mm steel plate and the lock cylinder is c-class which cannot be violently disassembled in a short time. [Digital Key Box Unlock Ways] The key box can be use OTP /Fixed password , Bluetooth and Emergency key unlock. You can connect with the phone through Bluetooth to set the validity period of the fixed password. If you want remote updata the validity period of fixed password or unlock , you need requires separate purchase of Wi-Fi Bridge(WeHere W100),we sold on Amazon. [Key Box Battery Install]The key box use 2 AA alkaline batteries, Battery compartment is located outside for easy replac