General description This 2 Pack Garage Door Remote Control Transmitter is designed for use with various models including HSM4-868, HSE2-868, HS4-868, and HSM2-868, operating at 868MHz. It is a cloned remote control that requires an original remote to function properly. The compact design makes it easy to carry and store. Technical specifications Frequency: 868MHz Material: ABS Color: Gray Dimensions: Measurement allowed error is +/- 1-3cm Compatibility and accessories Compatible with Blue Button 868MHz garage door handheld transmitters: HSM4-868, HS4-868, HSM2-868, HS1-868, HS2-868, HSE2-868, HSZ1-868, HSZ2-868, HSP4-868, HSP4-C 868, HSD2-A 868, HSD2-C 868 Package Contents: 2 x remote control Usage Controls up to four different garage doors with its four programmable buttons. Ensure the original remote control is fully functional for cloning to work. Other information Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from