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 seamless access. Extensive Model Support: Works 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, this remote features two assignable channels, making it suitable for controlling one or more garage doors with ease. Compact and Portable Design: Compact keychain design allows for easy carrying in pockets, purses, or bags, offering practicality and convenience for everyday use. 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 designed to work only with devices using the 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 accessories are not included. Note: Lighting effects and display settings may cause slight color variations between the image and the actual item. Measurement tolerance is +/- 1-3 cm.