Replacement for HORMANN handheld transmitters HSM4-868, HSE2-868, HS4-868, HS2-868. NOT COMPATIBLE with HORMANN BS series transmitters such as HSE4-868-BS, HSE2-868-BS, HS4-868-BS. Compatible with Hormann BLUE BUTTON 868.3MHz handheld remote controls only. Not compatible with GRAY or GREEN button remote controls. This is a replacement remote control, not the original remote control, but it functions the same as your original remote. The garage door opener has 4 buttons to control 4 garage doors. Color: gray. Material: ABS. Compatible with Hormann 868MHz Blue Button Remote Controls: HS4-868, HSM2-868, HSM4-868, HS1-868, HS2-868, HSE2-868, HSZ1-868, HSZ2-868, HSP4-868, HSP4-C 868, HSD2-A 868, HSD2-C 868. It is only compatible with Hormann Blue Button 868MHz and is not a replacement for Yellow Button 433MHz, Gray Button 40MHz, Green Button 27MHz and 26MHz, and Black Button BiSecur models of garage remotes. Not compatible with Hormann BiSecur series handheld transmitters. It has a range of 50-150 meters in open areas. Package contents: 2 x remote control. 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 to be slightly different from the real thing. The allowed measurement error is +/- 1-3 cm.