Lee Electronic 5 Mortise Type Electric Door Strike;

Adding an electronic door strike to your home or office is a great way to remotely control who enters or exits your property. Several systems including security, intercoms, and home automation controls, allow you to easily incorporate an electronic door strike. For example you could type in a code on a security keypad to release the strike as part of a security system, press a button on your intercom main unit to release the strike, or use your Smartphone to remotely unlock the strike connected to a home automation device. The possibilities are endless.