1. Wide use: used in short and long-range wire extinguishing devices, burglar alarm control panels, elevators, boats, motorized curtains, roller shutters, garage door openers, barriers gates, motorcycles, etc. 2. Anti-theft: 4-channel remote control system with anti-theft or one-click anti-theft allows you to control your gadgets, cars, homes and garages more freely and easily. 3. Fixed frequency of 433.92 MHz: The premium cloning remote key uses a fixed frequency of 433.92 MHz which can copy common fixed and learning remote controls. 4. 4 Button Design: The high quality copy remote key is designed with 4 buttons and can clone up to 4 remote signals from 4 different interference remote controls. 5. Easy and Convenient: The cloning door opener is simple to pair with your original remote control, easy to use, gives you a more convenient life. Specifications: Item Type: Cloning Remote Key Material: ABS + Metal Key Battery: Built-in 12V 27A 50mah Dry Battery Rated Current: 0.3A Installation Method: Copy Type Application: 433.92MHZ Remote control range: up to approx. 50m/54.7yd Usage: Widely used in short and long range wire extinguishing devices, anti-theft alarm control panels, elevators, boats, motorized curtains, roller shutters, garage door openers, gate barriers, motorcycles, vehicles, cars, trucks, RVs, electric. generator, electric locks for opening doors, windows, extension cords for manual switches, LED lighting bulbs and lamp strips, entry and access control, etc. Package List: 1 x Cloning Remote Key