Compatibility - This garage door remote control is compatible with MCHS43-2, MTR43-2, MNHS433-02, NOVOTRON 502 MAX43-2, 512 MIX 43-2, MINI-, 524, MINI- Design, 524 522, 522Design, 524 design. 2 Channels - The garage door remote control has 2 channels at 433.92 MHz for effective control of gate automation. Type: White key Color: Black Material: Plastic Package Contents: 2 * Garage Door Opener 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 to be slightly different from the real thing. The measurement allowed error is +/- 1-3 cm. Please allow slight measurement deviations due to manual measurement. Color may vary depending on your monitor. Please ensure your shipping address is correct. Inaccurate delivery information (e.g., name, street, house number, doorbell/email without name) may result in failed delivery.