Security+ rolling code technology assures a new code is sent every time the keypad is used. Temporary password option enables friends or service people to enter the garage without giving them your personal code. Completely wireless - powered by (1) 9V battery (included). Weatherproof flip-up protective cover. Backlit keypad makes numbers easy to see, even in the dark. Programs in 2 easy steps. No. 940CB: 390 frequency No. 940D: 315 frequency
