HIGH COMPATIBILITY: This universal garage door remote control is suitable for various models, including for MINI- Design, for MINI-NOVOTRON 524 Design, 522, NOVOTRON 502 MAX43-2, 504 MAX43-4, and NOVOTRON 512 MIX 43- 2. EASY TO USE AND INSTALL: The remote control uses 433.92MHz frequency and provides two programmable buttons for easy opening and closing of garage doors. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Black & White 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.