Fits over your existing deadbolt so your physical key still works — ideal for renters or anyone who doesn't want to replace their entire lock. Locksmiths love it for keeping real security hardware intact.
The locksmith community specifically recommends August because it lets you keep a quality deadbolt underneath. That's the right instinct — don't sacrifice your physical security for smart features.
“I like the August lock you can put a real dead bolt on there and still get the ease of use of a smart lock.”