General description This 2pcs Garage Remote Control Transmitter Replacement is designed specifically for Hörmann garage door remote controls equipped with a blue button operating at 868 MHz. It is a universal replacement remote that provides equivalent functionality to original models at a more affordable price. The compact design allows it to easily fit into pockets or bags, and it includes a built-in key ring for convenient attachment to your keychain. Technical specifications Frequency: 868 MHz Button Color: Blue Compatibility and accessories Compatible with Hörmann garage door remote controls: HSE2-868, HSE4-868, HSM4-868, HSM2-868, HS4-868, HS1-868, HS2-868, HSZ1-868, HSZ2-868, HSP4-868, HSP4-C 868, HSD2-A 868, HSD2-C 868 Also compatible with Tubauto models: HSM4-868, HSM2-868, HS4-868, HS2-868 Not suitable for remotes with gray, green, or orange buttons Not compatible with HORMANN BS transmitters from the BiSecur series Installation Two programming methods available: 1. Clone