Meet the TappLock: a smart padlock with a fingerprint reader that gives you access without a key, combination code, or smartphone. It does support Bluetooth, so you can grant access to friends and family through your phone. TappLock has an encrypted fingerprint sensor. Its battery lasts up to 3 years. The device is compatible with iOS and Android devices.
Using your smartphone, you can customize the time, location, and duration of access to your lock. Yet another smart lock you can support on Indiegogo.