Compatibility - This garage door remote control is compatible with MCHS43-2, MTR43-2, MNHS433-02, for NOVOTRON 502 MAX43-2, 512 MIX 43-2, for MINI-, 524, for MINI-Design, 524 522, 522Design, 524 design. 2 channels - The garage door remote control has 2 channels at 433.92 MHz for efficient control of door opening. 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 allowed measurement error is +/- 1-3 cm. With the concept of customer first, we provide you with 24/7 customer service. No matter where you are or what problems you encounter, we will solve them for you as soon as possible to ensure that your shopping experience is worry-free.