Wireless Design: No need for additional wiring as this keyless entry system is completely wireless

Easy to Use: Temporary password option and one-button-to-close feature makes it convenient to use

Battery-Operated: Wireless and keyless garage door keypad operates and comes with a 9-volt battery

Wall-Mounted: Can be mounted conveniently outside your garage door so you can open or close it

Compatibility: It works with any LiftMaster door opener with safety sensors from 1993 to the present (Billion code 390 MHz, Security+ 390 MHz, Security+ 315 MHz, Security+ 2.0)