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 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 purchase. This remote works only with devices using 433.92 MHz frequency and matching encryption requirements. Color: White & Black Material: Plastic Note: Due to different production batches, there may be slight variations in product appearance and printed text. These differences do not affect functionality. Package Contents: 1 x Garage door opener remote Note: Other items not included. Lighting and display settings may cause slight color variations between the product image and actual item. Measurement may vary by +/- 1-3 cm.