IMPORTANT NOTE: Only suitable for 433.92MHz fixed code and learning code remote keys. It is a replacement and not an original accessory. Only available on listed models and frequencies, not available on other models or frequencies. Note: Please check carefully whether the frequency is the same before purchasing. If you can't match it or don't know how to use it after purchase. Flexible Garage Key: This is a fixed frequency replicator designed to replicate common fixed codes. Button with 4 programmable command switches for duplicating up to 4 remote signals. This means you can port the functionality of multiple remotes to one, making life easier. Easy to pair: There are three conditions to confirm before purchasing. 1) The original remote control works normally 2) The frequency should be 433.92MHz 3) The chip coding (encoder chip) is the same: 2260 (all manufacturers) 2262 (all manufacturers) all manufacturers) HCS10, HCS200HCS201 ( Part code), HCS300HCS301 (Part code), some microcontrollers, etc. Compact and Portable: Convenient keychain that easily attaches to your car keys. Slide protection prevents accidental button presses. (The reasons for failure to copy may be: The battery of the garage remote control is low or the battery is damaged The signal transmitter is damaged The receiver is damaged The garage door power cord is damaged and disconnected The garage door receiver and remote control signal transmitter The device is too far away.) Wide range of uses: Garage door remote controls are suitable for cars, garage doors, doors, skylights, car or motorcycle alarm systems, home security products, short-range wireless remote control products, electrical appliances or home automation lamps, industrial control products, etc.