Specifically designed for customers who want an extra control panel in the garage. Provides fast, easy installation with no wiring required. Compatible with 315 MHz Security+ garage door openers and universal receivers that have a purple learn button. Install anywhere in the garage as long as it’s in the line of sight of the garage door. Large push button opens and closes the garage door; another button turns opener lights on or off. There is no lock feature to lock out remote controls. There is no constant pressure to override The Protector System® in an emergency