A double cylinder deadbolt has two keyed latches, one on both the interior and exterior faces of the lock. This means a key, not a thumb turn, must be used to lock or unlock the deadbolt from inside.

The ADA Rim Cylinder Thumb Turn is ideal for use with the following products in the dormakaba brand family: · Precision 2110 with visual indicator · Precision Apex 2000 Series · Dorma Series 9000 ...

The best way I can describe how the SwitchBot Lock works is by comparing it to that steampunk-esque futuristic view of smart locks people in the 60s or 70s would have conceived but with added ...

Finally, the thumb turn fits on the back with a magnet. The big benefit to the Level Lock+ Connect is its flexibility, as it offers more ways to open your lock than most competitors.

The $99 SwitchBot Lock is the first smart door lock I’ve tested that doesn’t replace any part of your existing lock. Instead, it attaches to the back of your door over the top of the thumb turn.

Additionally, the thumb-turn is non-handed and an aesthetically pleasing complement to a variety of trim styles. Paired with the BEST 40H mortise lock series, the new BEST 40H Visual Indicator ...

All joking aside, I found the Securaki very easy to set up. Everything works seamlessly. The smart lock can bring your home into the 21st Century without having to shell out thousands of pounds.