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 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 form factor 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 purchase. This remote is intended for use only with devices operating at 433.92 MHz with the specified encryption protocol. Color: White & Black Material: Plastic Note: Product appearance and printed text may vary slightly between manufacturing batches; these variations do not affect performance. Package Contents: 1 x Garage door opener remote Lighting and monitor settings may cause slight color variations between the product image and actual item. Measurement may vary by +/- 1-3 cm.