Universal Compatibility: This remote control is compatible with all garage door openers operating at 433.92 MHz with 64-bit encryption and KeeLoq rolling code technology. It ensures reliable performance with Novotron transmitters for seamless access. Extensive Model Support: Compatible with a wide range of models including Siebau ATS 24, GTA E 403, and port series. This remote provides a convenient solution for users with multiple garage door systems. User-Friendly Setup: Designed for easy programming with two assignable channels, allowing simple operation of single or multiple garage doors. Compact and Portable Design: Features a keychain design for portability; small enough to fit in pockets, purses, or handbags, ideal for everyday use without compromising functionality. Compatibility Notice: Please verify that your garage door opener or handheld transmitter is listed in the manufacturer's compatibility guide before purchasing. This remote works only with devices operating at 433.92 MHz with the specified encryption. Color: White & Black Material: Plastic Note: Due to different production batches, variations in product appearance and printed text may occur. These differences do not affect performance. Package Contents: 1 x Garage door opener remote Note: Other items shown are not included. Lighting and display settings may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.