Features: Widely consistent copying: consistent multiple brands, and consistent 433.92MHz frequency and 301 rolling code procedure, can quickly copy initial remote control indication through copying learning function. Multi frequency technology coverage: Equipped with advanced multi frequency processing technology, it can effectively deal with indication intervention and confirm stable and consistent control over long distances even in complex environments. unique tap procedure convenience: The copying learning process is simple and fast, without the need for professional tools or complex programming, and users can easily configure it themselves. permanent and sturdy design: case substance is sturdy, the button life is long, and the overall design focuses on the anti drop and durability of daily use, suitable for long-term carrying and use. High cost-effective option: Replace multiple original accessories with handset to effectively manage rolling shutter doors and garage doors of different brands, providing users with an economical, efficient, and powerful solution. Specifications: Substance: Plastic Size: Please refer to the product size chart Note: The product contains button batteries Package Includes: Multi-frequency pair-copy remote control host × 1 note: Please allow 0-1cm error due to manual measurement. please makes sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual color. Thank you.