This Multi-Code 4200 / 4200-01 compatible wireless keypad made by LiftMaster will work any 300 MHz Multi-code type radio receiver. Programming and installation is a snap, don't be locked out of your garage ever again.
-300 MHz Radio Frequency
-Programmed by inputting 10 on/off dip switches from opener or current remoe
-Wireless – powered by one 9V battery (included)
-Weatherproof, slide-up protective cover
-Includes programming manual and mounting screws
-Dimensions: 6" by 2.5" by 1"
-1-year limited warranty