[Warm Tips]- This garage remote control is a replacement and not-original accessory. Compatibility list below is available for your reference. [Garage Remote Control Replacement]- Our garage remote control works on 433.92MHz and is compatible with Novoferm Novotron 524, 522, 502 MAX43-2, 504 MAX43-4, 512 MIX43-2, 514 MIX43-4, MNHS433-02, MNHS433-04, MCHS43-2, MTR43-2. [Compatible Garage Opener List]- Works for Novomatic 403, 413, 423, 553, 803, for Novoport I/Ⅱ/Ⅲ, for Tormatic GTA 601/602/611/612/701/702/703/711/712/802/803. [Lightweight and Portable]- Due to the elongated and small design, our remote control can be attached to the keychain with the included lanyard and is therefore always at hand. The color of different production batches may be different but will not affect the use Colour:Photo Color Material:plastic Package Contents: 1 x remote controller / 2 x remote controller 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.