Unlock convenience and security with Tapo DL110. Its lightning-fast fingerprint sensor unlocks your door in under 1 second, and the ultra-long battery life keeps it powered for up to 1 year. Access in six different ways: by fingerprint recognition, using custom passcodes on the keypad, manage from anywhere with Wi-Fi, via close-range Bluetooth, your smart home assistant, or by using the included backup keys. Manage residents and guests with ease by creating custom permanent, one-time or scheduled passcodes. Pair with your Amazon Alexa, Google Home or Samsung SmartThings for hands-free voice operation and management. Security features such as auto-lock, real-time alerts for suspicious activity, and a detailed activity log give you ultimate peace of mind. Finally, the Tapo DL110 boasts a hassle-free installation with all necessary tools included so that you can take control of your front door security in no time. Disclaimers: 1. Battery life is based on TP-Link laboratory testing, estimated at unlocking 20 times per day (WiFi Mode: Up to 1 year; Bluetooth Mode: Up to 2 years). Actual battery life may vary due to device settings, router specifications, usage, and environmental factors. 2. External only. 3. Recognition time and accuracy are based on TP-Link laboratory tests. Actual recognition time and accuracy may vary due to the number of fingerprints registered, usage conditions, and environmental factors.