attery Life Specification: * Bluetooth 4.0 technology for easy pairing and unlocking * Fingerprint recognition for secure access * 128-bit AES encryption for maximum security * 3-year battery life with regular use * Durable stainless steel construction for long-lasting use * Easy installation and convenient operation Upgrade your home security with the Ultraloq UL3 BT Bluetooth Enabled Fingerprint Deadbolt. This smart lock features Bluetooth 4.0 technology for easy pairing and unlocking, as well as fingerprint recognition for secure access. With 128-bit AES encryption and a 3-year battery life, you can trust that your home and family are protected. Plus, the durable stainless steel construction ensures long-lasting use. Installation is easy and convenient, making this a must-have for any home.