Strong Transmission: Transmits signals over 50 meters, ensuring reliable control from afar. Built-In Battery: Includes a battery for immediate use, eliminating the need for additional purchases. Easy Setup: Simple 3-step copy process for quick integration with your existing remotes. Extensive Support: Supports numerous brands and chip encodings, including rolling code models (with specific instructions). Wide Compatibility: Copies a variety of fixed and learning code remote controls, extending its versatility. This remote control duplicator is designed for ease of use and versatility, making it an essential tool for anyone needing to replicate remote signals. With its strong transmission range and built-in battery, you can enjoy immediate functionality without extra costs. The straightforward setup process allows for quick integration with existing remotes, while its extensive support for various brands ensures compatibility with a wide range of devices. Color: Black Material: Metal Package Contents: 3*Remote Control