This Schlage electronic keypad deadbolt has a trusted design that has been around for a number of years. We had our old nickel one for about five years and it has been very reliable. That one moved from the front door to the garage side door and we now have a Smartkey lock with remote key fob on the front entry to the house.When it came to installing a lock for our studio door we went back to the Schlage because of its price and reliability. The new lock has had some minor improvements from the original we bought a few years ago. These revisions make installation easier with simple inexpensive additions to the original internal design.As I had mentioned, installation is easy. The lock comes with two bolt length options. The most significant change to our old lock was the wire that feeds from the front keypad to the rear panel. With the old lock you had a thin wire with a TINY cap that pressed onto a pin on a circuit board on the back. It was incredibly fiddly when you consider that the sprung fastened cap was only about 0.08 inches or 2mm in diameter. In this new lock, it was a simple plastic plug that you just press in and it snaps into place. Sounds trivial but it removed minutes of frustration. After the basic assembly as shown in the first video on the amazon page, you just plug in the included 9 volt battery and follow simple instructions in the manual to program your lock.One nice thing I really like about this lock is that the deadbolt uses a clutch to engage the handle. You use the keypad to engage the clutch that lets the deadbolt work. After a few seconds the clutch is automatically disengaged and the latch spins freely.This makes it fairly tamper proof. In some ways it’s safer than our remote lock because there is less chance of someone trying to hack the lock remotely with some kind of wifi connection. We had our previous one for about five years and still use it on a daily basis. So I can tell you this lock is dependable. If you change the battery once a year you will probably never have to worry about it going flat. So far, I have replaced the battery on the old one every 12 to 18 months regardless of capacity and have used the old one for various electronic devices. These locks can also be opened with a regular key. Two are provided. We keep ours safe in a location where we can retrieve one in an emergency.Originally we bought this lock after a key broke in our old fashioned one. We had to call out a locksmith who spent three hours trying to drill out the old lock. It made a lot of noise, caused us (and our neighbors) a lot of frustration and then (to add insult to injury) cost us almost $300. That’s the price of three of these locks. So we bought this lock and we are so glad we did. It makes life so much easier not having to carry keys around. The keypad is illuminated and easy to use in the dark. You never have to fumble looking for keys. It’s a great addition to our garage and studio because of the number of times you go to the garage on some chore only to find the keys are back at the house. With the studio which is on a wing of the house we used to leave it unlocked because the frustration of going back and forth for keys seemed like a lot of hassle.We really like these locks. You can have several codes. Each member of our family has their own pin. We gave our sister in law one so they could crash even if we aren’t home. And we can create one on a whim should we have contractors or pet sitters visiting when we are away.When they first came out they were about 50% more expensive but they’re affordable now and I can’t recommend them enough.The only problem you might have with this lock is if you pull to close it really helps to have a second handle to grip and hold the door shut while you turn the handle. The twist knob on the deadbolt is not the easiest to grip and pull strongly, especially while twisting at the same time. For the garage and studio door we bought a cheap dummy knob to hold onto for this reason. That does the trick quit nicely.