Number of channels: 1/4 Battery: 12V 23A Installation: wireless Wireless transmission distance: 50-150 meters (open space) Frequency: 40.685MHz with red buttons Compatible with Dickert MAHS40 40.685MHz and Dickert MAHS40-04 models only Purchase Tips: Check the frequency on the back of the remote control; it must be 40.685MHz Check the button color, which is red Check the model number of the remote control, which is MAHS40-04 Programming Manual: The transmitter and receiver must be synchronized by matching the code settings Remove the battery cover by sliding it in the direction of the keyring tab Set the dip switch up or down to match your existing remote control or receiver Note: Installation guide not included; professional installation is recommended Please verify all specifications to ensure compatibility The product may vary slightly between batches, including minor differences in color or design, which do not affect functionality Color: as shown in photo Material: plastic Package Contents: 1 x Garage Door Remote Control Only the items listed above are included; other accessories are not included Note: Lighting and display differences may cause slight variations in color appearance; measurement error allowed is +/- 1-3 cm