RF code cloner in remote control design to clone over your old remotes' codes. Ideal for transferring/copying the code for garage doors, automatic gates, security systems and household equipment. Copy the functions from your original remote control with this 4-channel RF duplicator with learning functions, and you'll always have a backup or spare garage door opener at hand. Note: Cannot copy the car's alarm box (for safety reasons). Compatible with a fixed frequency of 433MHz, which is the frequency that the vast majority of garage door openers use. Compatible with the following chipsets: 2260 (all manufacturers) 2262 (all manufacturers) PT2264, 5326 (all manufacturers) SC5262, HT600, HT680, HT6207, HT6010, HT6012, HT6014, SMC918 series, 527 (all manufacturers)1527 (all manufacturers) 2240 (all manufacturers) HCS101, HCS200\HCS201 (parts of the code) HCS300\HCS301 (parts of the code) Parts of singlechip. NOTE: This model is not compatible with rolling codes. If there is a need, it is another model you should have. How to copy: Step 1: Remove the old code from the duplicator 1. Press buttons A and B continuously until the LED flashes 2. Release button B (keep pressing button A) and slowly press button B 3 times, LED flashes 3. Release the A button, the code removal is complete Step 2: Copy code from the original transmitter 1. Place the duplicator as close to the original transmitter as possible. 2. Press and hold button A on the original transmitter, press and hold button A on the duplicator, until you see the duplicator LED flashing. 3. Release both buttons, exit code copying. Copy the next button in the same way.  Recovery function: Press and hold buttons C and D for 3 seconds, LED flashes, all buttons will go back to the last copied codes. Specification: speed signal transfer