LiftMaster's 877MAX - Wireless Keyless Entry

Open or close your garage door without using a remote control or key.
Holds four unique PIN codes, and users can control up to four Garage Door Openers.
Easily syncs to your existing opener’s frequency with single manufacturer/single frequency design.
Protected from the elements with a weatherproof slide-up protective cover.
Easily read the backlit numbers on the keypad day or night.
Offers a one-button-to-close feature, making it easier than ever to close your garage door.