1) Multifunction in one: The 4-in-1 remote control duplicator is capable of duplicating a variety of wireless remote controls, car keys, garage door openers, etc., and offers a wide range of color options to meet the needs of different users.2. High security: With seamless infrared connection and data encryption technology to ensure safety during use, it can copy any compatible wireless remote control key, and each password can be stored separately and securely.3) Simple and easy to use: 433MHz 4-in-1 car remote control duplicator, the duplication process is simple and fast, using high frequency technology, and can be completed in a few minutes.Optimized power supply dynamics ensures the stability of the remote control and a working distance of up to 50m.4) Innovative Design: The car remote control duplicator can clone up to four remote control keys, each of which corresponds to a letter (A, B, C, D) representing a different remote control key, providing double protection against the loss of the original remote control.5. Versatile Application: Universal short-range wireless and remote control device duplicator for a variety of scenarios, such as burglar alarm systems, elevators, electric shutters, roller blinds, garage door openers, access control, generators, electronic door locks, windows, hand-operated extensions, LED lighting and strips, entrance and access control systems and more. Have a great time shopping!