Never lose your keys again! Well, with this smart lock there is no need for a key. So make sure you will not lose a finger!
If you put your finger on the sensor the smart lock will unlock within 0.1 seconds! It can also remember 10 fingerprints so you can share the lock if you would like to.
The battery will at least last for half a year. The lock is easily rechargeable via USB. The lock will also tell you when the battery is low via a red light.