General description The 3pcs for 40.685MHz MAHS40-04 Garage Door Remote Control is designed for electric gate openers operating at a frequency of 40.685MHz. This remote control features a fixed code and includes four buttons for easy operation. It is compatible with other 40.685MHz button remote controls. Technical specifications Type of programming: DIP Switch Frequency: 40.685MHz Code: Fixed Code Buttons: 4 Battery: Included Material: Plastic Measurement allowed error: +/- 1-3cm Compatibility and accessories Compatible with 40.685MHz button remote controls only Package contents: 3 x Garage Door Remote Control