I am impressed with this lock system and will be installing now on my back door as well. I feel much safer at home with this.lock system on my front door. I love the wifi enabled feature the most. Being able to use a mobile app to control the lock gives me peace of mind when I am in another part of the home with my children on the main level. The touchscreen is very easy to use and I love that you can assign user codes to different people so you know who is coming in at any given time. The lock itself is strong and durable steel and also has a traditional key entry option as well. It is resistant to different types of break in attempts and has an alarm for incorrect codes. The lifetime warranty covers mechanical and finish which makes it worth the money. A must have for peace of mind.