433 MHz Remote Control: Easily copies fixed code remote controls, providing a convenient alternative to replacing specific remotes. 4-in-1 Remote Control Duplicator: Each matched channel can operate a different remote control. Supports delete and restore functions. The device can store up to 4 remote control codes from the same or different remotes. High Security: One-to-one copying method with individual password storage for each key. Designed for repeated use with reliable performance. Secure infrared signal transmission with data encryption. Creative Design: Transmits signals to duplicate existing remote controls, ensuring a backup is always available if the original is lost. Universal Compatibility: A simple and cost-effective solution for duplicating remotes. Works with electric gates, garage doors, retractable doors, motors, curtains, and other remote-controlled devices.