Set of 2 Universal Garage Door and Gate Remote Controls (433.9 MHz) with Four Channels - Ideal Replacement

Note 1: This model can only replace remote controls with 433 MHz frequency; it is not compatible with rolling codes or transmitters that emit billions of unique signals. Please verify the operating frequency of your original remote control before purchase.\n\nNote 2: This gate remote control only works with the specific compatible chip types listed in the product description; please ensure your original remote control's chip is compatible before purchasing.\n\nThe four ABCD buttons allow use with four different chip types, enabling the remote control to operate four different devices.\n\nOperates exclusively on 433 MHz frequency and offers a transmission range of 50 to 100 meters (in open spaces) to provide you with a seamless remote control experience that is very convenient for daily use.\n\nEnables high-precision and high-efficiency copying of your existing remote controls - an ideal solution in case of loss.