Exclusively for Hormann 868MHz with Blue Buttons --- This garage door remote control is specifically designed to be compatible with Hormann models HSM2/ HSM4 868Mhz, HS1/ HS2/ HS4 868, HSE2 868, HSP4/ HSP4-C 868, HSD2-A/ HSD2-C 868, HSZ1/ HSZ2 868 Very Easy to Program --- Only 2 steps required: 1. Clear the manufacturer code from new remotes; 2. Clone the signal from an old remote Control Up to 4 Garage Doors --- With this remote control, you have the ability to control up to 4 Hormann garage doors; This eliminates the need to carry multiple remote controls Ready to Use Immediately --- This garage door remote control has a maximum range of 50 meters and is equipped with a CR2032 battery, easy to replace Limited Compatibility --- Our garage remote control is NOT compatible with Hormann remote controls with gray, green, yellow or orange buttons; In addition, it is not compatible with Hormann BS (BiSecur) series remote controls.