1.Digital Door Handle Main Door Lock Design
The digital door handle will enable full security of your home. Anybody who enters your home must know the password of the door to unlock it. So only the people you wish to tell your password will be allowed to enter.

2.Fingerprint Scanner as Your Main Lock Design
You will have two options if you add a fingerprint scanner door lock. You can either go and open the door when someone arrives, or you have the option of adding a few fingerprints of the inmates who can allow anyone to enter by unlocking the fingerprint lock.

3.Four Bolted Main Door Lock Design for Extra Security
You can guess from the name that it comes in modules. This lock has four bolts, and each bolt has a different password. In case you forget one password, you can replace the password with different fingerprints of different fingers.

4.Main Door Lock Chain Design with a Latch
This idea is good if you have a kid at home. Though cannot be called a hi-tech lock but this door chain latch will help your home be secured. This is a pocket friendly way everyone can afford for their safety.