If the deadbolt is only a single cylinder there is likely an interior thumb turn mechanism that allows the bolt to move without the use of a key as long as the user is inside the building already.
Front door deadbolt only.
If your door uses a euro cylinder.
For use in combination with a door knob lever lock.
Keyless door locks 544 mortise lockets 27 pocket door locks 69.
Front back door lever 1 hook bolt latch locks 3 keyed handlesets 33 pocket door locks 69.
The finish gives a bright look with a clean feel to your home.
Berlin modisch entrance lever door handle for office and front door reversible for right and left side and a single cylinder deadbolt set keyed alike combo pack 4 4 out of 5 stars 3 918 34 99 34.
Front door locksets can be ordered complete or incomplete to allow you to customize styles and finishes on either side of your door.
Models are available with single and double cylinder functions.
The design provides easy installation with only a phillips screwdriver.
Change up your front door hardware by switching to a new front door handle knob or lever on the exterior of your door.
Choose from an interior knob or lever to match the other door hardware in your home.
Designed as extra security for exterior doors.
Standard deadbolts use a rim cylinder opposed to a mortise cylinder.
Most external doors are pre drilled for deadbolts making installation easy.
And there isn t enough room to mount an electronic handle.
I currently have the yale keyless zwave deadbolt it works with smartthings but only to lock or unlock and polling of it s status no management of the codes.