Wide Compatibility: This remote control operates at 433.92 MHz and supports rolling code systems, making it a versatile replacement for ON1E, ON2E, ON4E, and similar 2 or 4K models. Enhanced Security Features: Each button generates a rolling code, enhancing security by preventing unauthorized signal duplication. Dual Channel Functionality: Manage up to two devices such as gates, garages, or barriers with this remote, boasting a substantial range of up to 200 meters in open spaces. Quick and Easy Programming: Set up your remote in seconds with the self-learning feature, which syncs effortlessly with the compatible receiver's 'learn' function. Compact and Robust Design: This remote features a sleek black case that is shockproof and easily attaches to a keychain for convenience. This remote control is designed for ease of use and enhanced security, making it an ideal choice for managing access to your property. With its dual channel functionality, you can control multiple devices from a single remote, ensuring convenience in daily operations. The quick programming feature allows anyone to set it up without technical skills, while its compact design ensures it is always within reach. Color: Black & White Material: Plastic Package Contents: Pack of 2 Gate Remote Controls Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3 cm.