HD LINE Garage Door Opener Remote Control Handheld Transmitter 433 MHz 2X tel 2 Pack of

Universal remote controls with fixed code. It is essential that you check the list of compatible brands and reference numbers, because even if you have the same 433 MHz frequency, the chip is only compatible with the models specified below (fixed code only).Frequency 433 MHz or 433.92MHz, this does not change the product functionality It is not possible to copy remote control functioning on rolling codes - these codes are generated automatically at each new use. Manual and videos available at the link printed on your receipt (may not be in English) This remote control will copy your original device's code - all you have to do is configure each button Make sure you do the copying in a place where there are no interfering waves (such as WiFi or radio). Contact us directly if you have any questions The self-learning remote control can be used with different products such as car alarms, house alarms, emergency buttons, garage doors, gates, etc. The copying is done using RF (radio frequency) NOTE: The best clipping position varies depending on the original remote you are using. You can try different positions until the code is successfully copied