[4-in-1 Remote Duplicator]Remote Duplicator is the easiest and cheapest way to duplicate any wireless remote control, car key, garage door opener and more! [High Security]You can use the 4-in-1 remote repeater to open your garage door and unlock your car without having to carry two keys. Seamless infrared connection uses data encryption for security. You can copy any compatible wireless key fob and store each code individually. [Easy to Use]The 433MHz 4-in-1 car remote control repeater is easy to copy and high-frequency designs can be completed in minutes. Individually control current transistors to improve power supply dynamics. Remote and stable work, working distance up to 50 meters / 54.68 yards, a good replacement for the original remote control. Helps you control your gadgets, car, home and garage with ease. Easily pairs with original remote control product. [Creative Design]The car remote control replicator can clone up to 4 remote control buttons from the same or different remote controls, 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 original one. [Multipurpose]Universal remote control repeater for short and long range wireless switchgear, burglar alarm control panels, elevators, boats, electric curtains, rolling doors, garage door openers, access control, motorcycles, cars, trucks, RVs, power door locks, windows, manual switch extenders, LED bulbs and strips, entry and access control and more.