Replacement for Handheld Transmitters HSM4-868, HSE2-868, HS4-868, HS2-868. NOT COMPATIBLE with BS series transmitters such as "HSE4-868-BS" "HSE2-868-BS" "HS4-868-BS". Compatible with BLUE BUTTONS 868.3Mhz handheld remotes only. Not compatible with GRAY or GREEN buttons remote control. This is a replacement remote control, remote control, but it functions the same as your original remote control. The garage door opener has 4 buttons to control 4 garage doors. color: gray Material: ABS Compatible with 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 Blue Button 868Mhz and is not a replacement for the Yellow Button 433MHz, Grey Button 40MHz, Green Button 27MHz and 26MHz, and Black Button BiSecur models of garage remotes. Not compatible with BiSecur Series handheld transmitters. It has a transmission range of 50-150 metres 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.