This is a 433.92 MHz garage door remote control. The transmission range is 50 to 100 meters (open space). You can open your car door and garage door without getting out of your car, providing a whole new remote control experience and great convenience for everyday life!Universal gate remote control - enjoy a better life!The operating frequency is 433.92 MHz. Beeps with different frequencies are not compatible.Simple operation, high adaptability, can be applied in the field of car bottle, garage door, entry access control, modification of car accessories.01 All kinds of electric doors, electric garage doors, access doors, security control, etc.02 Reproduction of remote controls for cars, motorcycles and electric cars03 Applications of domestic lighting, lamps, projection curtains, electric doors and air vents 04 Agricultural applications Reproduction of cranes, crushers, remote-controlled water pumps, etc.[How to begin?] 1. Erase firstPress and hold both buttons on the remote control simultaneously until the indicator light flashes rapidly, indicating that a clear code has been obtained. The indicator light will continue to flash for approximately 15 seconds.Complete step 2 in the meantime.2. Selecting the command buttonPress the copy button. At this point, the indicator light has entered a steady state. Press the copy button again, and the indicator light is now in a constant state instead of flashing rapidly as before.3) Copying the remote controlPress the button on the old remote you want to copy and bring it as close as possible to the remote you want to copy. At that moment, the copied remote will change from a lit state to a slow blink three times, then turn off, indicating thatThe pairing was successful.For the other buttons, please follow the method above one by one.FeaturesBattery powered-Color: whiteNumber of channels: 2Number of buttons: 2Product model: 432HzNA-Modulation mode: ask- Transmit power: 3~6dBm- Transmit current: 21mA- Quiescent current: 0.15 OhmOperating frequency: 315/433.99 MHzOperating voltage: DC12vBattery type: button cell * 2-Shell material: ABSProduct size: 68*33*11 mmProduct weight: 18gRange: 150 metersThe package includes: "432HzNA 2PCS" Remote Control