Comes with: </br> -Detailed but simple programming instructions. </br> -Marantec Programming Connector (PART # 69625) for quickly training other Marantec remotes. </br> -1 long-lasting 3-volt Lithium Battery</br> -1 Sun Visor Clip</br> -1 keyring attachment</br></br> Marantec’s 2-Button Remote Control is an easily programmable garage door opener accessory that can simultaneously operate up to 2 different Marantec Garage Door Openers. Engineered for specific compatibility with other Marantec GDOs operating on a 315 MHz frequency, it utilizes extremely secure digital multi-bit code technology that also works with other external Marantec devices like our Marantec Wireless Keyless Entry. Our 2-Button Remotes are programmable and compatible with the wireless HomeLink system in your car so you don’t need to worry about misplacing remote controls ever again. The 2-button remote is easily attached to a keychain and your car sun visor—as well as easily stored in vehicle center and armrest consoles, and glove compartments, for readily accessible convenience.</br></br> DEPENDABLE GARAGE DOOR OPENERS FOR YOUR HOME: Perfect for residential and vacation properties, apartment buildings and commercial installations, our innovative GDO operators and accessories offer remarkable safety, incredibly quiet operation and third-party certified quality. All Marantec products undergo constant testing in conjunction with all Underwriter Laboratories (UL) and the Canadian Standards Association (CSA) certification procedures. ABOUT: Marantec America drives GDO technology by creating the right opener for every garage door imaginable. Featuring an innovative array of reliably safe and expertly-crafted German-engineered GDO operating systems, our dynamic lineup of residential and commercial garage door openers efficiently utilizes cutting-edge accessories to give you, your family and business associates years of effortless trouble-free performance, security and peace of mind.