Product Description The Chamberlain 956EV-P2 Keychain Garage Door Remote offers portable control with the highest level of security. Featuring a three-button design, this compact remote controls up to three garage door openers individually. Easily programmed and compatible with nearly every garage door opener made by Chamberlain, LiftMaster and Craftsman, it’s the easy option for adding an extra remote for family members who walk, bike or prefer a compact solution.Security+2.0, the highest level of encryption, prevents hacking, and wireless programming makes installation easy. An extreme 1,500-foot range provides for “no waiting” roll-in access. Rigorous quality testing ensures that in addition to garage door openers, it can operate gate operators and MyQ Light Accessories for an all-in-one solution. Includes key-ring attachment, long-life 3V coin-cell lithium CR2032 battery and instruction manual. Not compatible with Craftsman Series 100. From the Manufacturer This remote is the compact version of the Chamberlain remote. The compact design makes this remote portable enough for a pocket, purse, or backpack. It is great for bikers and walkers.