It works at 433.92MHz. Beepers of different frequencies are not compatible. Easy to use and strong adaptability. It can be widely used in bottle cars, garage doors, driveway access control, auto parts modification and other fields. 01 All kinds of electric doors, electric garage doors, access doors, security monitoring 02 Imitation remote control car, motorcycle, electric car. electric 03 Home stage applications, lamps, projection screens, electric doors and windows 04 Agricultural applications such as cranes, sprayers, water pumps; remote control water, etc. [How to activate] 1. Delete first Press and hold the two buttons on the remote control at the same time until the indicator light flashes from slow to fast. Fast, it means that the code clearing is successful. The indicator light will continue to flash. Flashes for about 15 seconds. Please complete step 2 within this time 2. Select the action button Press the button to copy. Just then, the fast flashing lights turned on. a