This racing remote control is not original, it is only compatible with the blue Hormann buttons HS1 HS2 HS4 HSM2 HSM4 HSE2 HSZ1 HSZ2 HSP4 HSP4-C HSD2-A HSD2-C HSD2-C HSD2-C. It is not compatible with other Hormann frequencies. Not compatible with other Hormann coloured buttons. Not compatible with the Hormann BS series. It does NOT work with remote controls of other brands, models and frequencies. Contents: 1 x Remote Control (12V 23A alkaline battery included) 1 x Detailed programming manual. No friend in contact if you have any questions. 100% compatible with Hormann 868 MHz blue button remote control model: HS1-868 HS2-868 HS4-868 HSM2-868 HSM4-868 HSE2-868 />HS Handheld transmitter button Batteries included, list of use Long distance, up to 30 meters The « mini portable transmitter » Easy to store Technical details Channel: 4 Frequency: 868.30 MHz Coding: self-learning Battery type: 12 V, 23 A Colour: black housing/blue button Scope of delivery 2 handheld transmitters with battery