Push-button Handlesets
Pros: can be used with any latchset; allow remote and timed control; can integrate with computer or security system
Cons: may require professional installation
Price: $200 to $1,000
Shown: Securitron Digital Keypad (Image #2, at left), which features an extra button that can function as a doorbell or be programmed to turn on a light.

For homeowners who want keyless convenience that's unobtrusive, a hardwired keypad is a good choice. The keypad is positioned on a wall or trim strip off to the side of the door and connected by wires to an electric strike mortised into the doorjamb or a magnetic lock mounted on the door frame. The door can have any style of handleset. From the inside, electric strikes open with a handle; magnetic locks use some form of "egress button" or touch plate. Power typically comes from a small DC transformer plugged into a wall socket inside the house.

If someone enters several incorrect codes, most units will sound an alarm or shut down temporarily. And many models can be linked to an alarm system, a garage door opener, or a computer that keeps track of door use. Simpler models can be installed by homeowners; units that are connected to a computer or to a whole-house security system are best left to a locksmith or an alarm specialist.
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