Universal Compatibility: This remote control is compatible with all garage door openers operating at 433.92MHz with 64-bit encryption and KeeLoq rolling code technology. It ensures reliable performance with Novotron transmitters for convenient access. Extensive Model Support: Compatible with a wide range of models including Siebau ATS 24, GTA E 403, and Vivoport series. This remote provides a versatile 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 that is compact and lightweight, ideal for carrying in pockets, purses, or bags without compromising functionality or style. 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 matching encryption. Color: White & Black Material: Plastic Note: Product appearance and printed text may vary slightly between production batches, but these differences do not affect performance. Package Contents: 1 x Garage door opener remote (Only the items listed above are included; other accessories are not included.) Note: Lighting conditions and monitor settings may cause slight variations in color representation. Measurement error allowance: +/- 1-3 cm.