Replacement for Blue Button 868.3MHz Garage Door Remote HS4, HSE2, HSM2, HSM4, HS1, HS2, HSZ1, HSZ2, HSP4, HSP4-C, HSD2-A, HSD2-C. Not compatible with BiSecur series handheld transmitters. This remote control is a cloned remote control that requires the original remote control to be cloned. Please make sure that your original remote control is fully functional, otherwise this remote control not work. Garage door handheld transmitter comes with 4 buttons with programmable switches to control up to four different garage doors, the latest high-frequency technology ensures better range, and the same security code encryption as the original remote control. Garage door opener is compact and , making it easy to carry and store. Garage transmitter is made of ABS material, which is impact resistant and has a long service life. color: gray Material: ABS Compatible with Blue Button 868MHz garage door handheld transmitter: HSM4-868, HS4-868, HSM2-868, HS1-868, HS2-868, HSE2-868, HSZ1-868,