High Compatibility: Designed to work seamlessly with for COOL C2, C4, and B 2/4 models, ensuring a perfect match for your garage gate opener needs. Advanced Technology: Utilizes 433.92MHz rolling code technology to enhance security by preventing code grabbing and ensuring that your garage remains secure. and Reliable: Built to withstand rigorous use with a robust design that ensures long-term functionality and reliability in all weather conditions. User-Friendly Design: Features an ergonomic handheld design for easy operation, making it convenient to open your garage door with just a of a button. Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Color: Black Material: plastic Package Contents: 5 x Remote Control 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.