Creative Design: car remote control duplicator can clone up to 4 remote control buttons from the same or different remote control, and each corresponding letter (A, B, C, D) can open a different remote control key. So you always have a duplicate remote or key in case you lose the originalHigh Security: Experience peace of mind with the 4-In-1 Remote Control Duplicator, as it allows you to conveniently open your garage door and unlock your car without the hassle of carrying multiple keys. The seamless infrared connection employs data encryption for enhanced security. Each compatible wireless remote control key can be duplicated and stored separately, ensuring high levels of securityEasy to Use: The 433MHz 4-In-1 Car Remote Control Duplicator offers effortless copying with its portable key fob design and high-frequency capability, completing the process in minutes. Individual control of current transistors enhances power supply dynamics, ensuring a stable and reliable performance. With a working distance of up to 50m/54.68yd, it serves as an excellent substitute for the original remote controlMultipurpose: The device can clone up to 4 remote buttons from the same or different remotes allowing you carry four remotes in one! Each corresponding letter (A, B, C, & D) can each open a different remote controlled keyPortable: Using the lobster clasp, you can fix it around clothes,handbags, etc., for easy carrying