Replacement garage door opener, not-original garage door opener. Garage door remote control frequency 868MHz, wide body shape for better hand feeling, 4 channels. Compatibility - Our remote control is only compatible with for HSM2/4 868,HS1/2/4 868,HSE2/4 868,HSZ1/2 868,HSP4/-c 868,HSD2-A/-C 868. Compatible engine models:for Supramatic e2. Note:It is only compatible with the for 868MHz blue button. Programming method: copy your old remote control face to face. Please note:There is a slight color difference or difference in kind, it does not affect the use, please do not mind, thank you! Colour:Gray Material:Plastic Package Contents: 3 * Garage Door Opener Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.