[Warm Tips]-- This garage remote control is a replacement and non-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 vary but will not affect performance. Color: As shown in photo Material: Plastic Package Contents: 1 x Remote controller or 2 x Remote controllers Only the above package content is included; other items are not included. Note: Light reflection and different displays may cause slight color differences between the image and the actual item. Measurement error allowance is +/- 1-3 cm.