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 BUTTONS 868.3MHz handheld remotes only. Not compatible with GRAY or GREEN buttons remote controls. This is a replacement remote control that functions the same as the original. 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. Only compatible with Hormann Blue Button 868MHz. Not a replacement for Yellow Button 433MHz, Grey Button 40MHz, Green Button 27MHz and 26MHz, or Black Button BiSecur models. Not compatible with Hormann BiSecur Series handheld transmitters. Transmission range: 50–150 meters in open areas. Package includes: 2 x remote control. Light reflection and different displays may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1–3 cm.