The Clicker ® Universal Wireless Keyless Entry System mounts conveniently outside your garage door so you can open or close it without a key or remote.Convenient, secure access - no keys or remote controls necessary Simple, wire-free installation - mounts with 2 screws (included)Allows for programmable personal identification codeBacklit for night viewingDurable - built to withstand tough weather conditionsCompatible with Genie ®, Linear/Moore-o-Matic ®, Stanley ®, Wayne-Dalton ®, Craftsman ®, Chamberlain ® and LiftMaster ® openers1-year limited warranty