- Universal remote control to duplicate fixed code 433 MHz remote controls (Fixed Code and Learning Code) - Replaces numerous door remote controls with a frequency of 433.92 MHz - Simply clone the desired function from the original remote control - The transmitter offers a long range of up to 80 m outdoors and up to 15 m in the car - Model number: 304520 - The handheld transmitter can store up to four remote controls at the same time, regardless of the brand or model series - Or you can put one model on all buttons to always be in the dark, no matter where you press - With the original remote control of your garage door, you can easily learn the desired function - Make sure to keep the distance between the remote controls as small as possible when transferring data (cloning) - Always there. The compact garage door opener from Brandson can easily be attached to a keychain with the snap hook and fits in the pocket of any pants - The device works with two button batteries (included) and retains the settings even when the battery is changed or replaced - Chipset compatibility