433MHz Universal Wireless Remote Control Switch Receiver RF 4 Button Duplicator Copy Code Cloning Key for Car Gate Garage Door

This Universal Remote Control Duplicator is so easy and convenient to use. Fixed frequency (433mhz) for copying 99.99% common fixed and learning code remote controls. Face to face copying the functions of your original remote by this 4 channel RF duplicator with code learning functions, you will always have a backup.