Liftmaster 855lm Chamberlain OEM Homelink Compatibility Bridge Description Not sure if you need a repeater kit, clicking on "program my home link" and then "program my repeater" Sentex/chamberlain brands home link repeater - a3w_o2-855lm by Sentex/chamberlain brands. Features: Converts and accepts a non-compatible home link signal into a security+ 2.0 Compatible signal Compatible with vehicles that are equipped with home link Can be programmed to work with more than one security+ 2.0 garage door opener Kit contains a repeater and a "learning" remote control Product Details: Brand: LiftMaster Special Feature: Ergonomic Color: Black Max Number of Supported Devices: 1 Connectivity Technology: Infrared Manufacturer: ‎Sentex/Chamberlain Brands Part Number: ‎855lm Item Weight: ‎1.28 ounces Product Dimensions: ‎6 x 4 x 1.5 inches Item model number: ‎855lm Batteries: ‎1 CR2 batteries required. (included) Is Discontinued By Manufacturer: ‎No Size: ‎One Size Color: ‎Black Material: ‎Plastic Power Source: ‎AC Item Package Quantity: ‎1 Special Features: ‎Ergonomic Batteries Included?: ‎Yes Batteries Required?: ‎No Battery Cell Type: ‎Lithium Manganese Dioxide Description Pile: ‎Lithium Date First Available: February 28, 2014