One-button-to-close feature makes it easier than ever to close your garage door (works with all LiftMaster garage door openers manufactured since 2006) * Security+2.0 rolling code technology assures a new code is sent every time the keypad is used * Temporary password option enables visitors or delivery and service personnel to enter the garage without giving them your personal code * Completely wireless - powered by one 9-volt battery (included) * Weatherproof flip-up protective cover * Backlit keypad makes numbers easy to see, even in the dark * Programs in 2 easy steps * Compatible only with LiftMaster Security+2.0 garage door openers