You can open the imposing Alfred DB2S smart lock with a PIN, an RFID card, the Alfred app, or a key. So, why leave out ...

Level Lock Pro is the first Matter over Thread smart lock. Smallest design yet with home key, door status detection, and AAA ...

How to Make Fully Functional Lock from Cardboard Today I show you how to make fully functional lock model. This lock can be ...

Have a Motorola phone? Want to make it more secure? This secret PIN Scramble feature lets you do precisely that.