Keep your home safe and secure with this Simpled smart lock. Open your front door with just your fingerprint, so you don't need to carry your keys around. You can download the TTLock app and generate one-time, recurring or custom passcodes to share with your loved ones. So, your kids can get in even if you are out running errands. And its passage mode comes in handy when you're hosting a party. You won't have to keep running to the door all night to let people in. Good to know - Unlock your door with just your voice - it works with Amazon Alexa and Google Home (requires bridge sold separately) - Get notified about who enters or leaves your home on your smartphone or Apple watch - With the backlit keys you can enter the passcode even when it's dark - You can connect it using Bluetooth or WiFi (requires bridge sold separately) - Its low battery indicator lets you know when it's time to change the cells