<p>This is a 433.92MHZ garage door remote control. The transmission distance is between 50 and 100 meters (open space). Open doors and garage doors without getting out of your vehicle for a new remote control experience and much convenience in daily life! Universal Gate Remote Control - Enjoy a Better Life! It works on 433.92MHz. Beeps of different frequencies are not compatible.Easy operation and wide adaptability, in the bottle truck, garage door, lane door ban, automobile parts modification field can be applied.01 all kinds of electric doors, electric garage doors, passage doors, security monitoring02 vehicles, motorcycles and electric vehicles remote control copy03 home scene applications, lighting fixtures, projection curtains, electric doors and windows04 agriculture application copy cranes, sprayers, water pumps remote control, etc.[How to activate]1. Clear firstPress and hold the two buttons of the remote control at the same time until the indicator light flashes from slow to fast, which means tt the clear code is successful. The indicator light will continue to flash for about 15 seconds. Please complete step 2 within this period2. Selected action buttonPress the button you need to copy. At this time, the indicator light flashing quickly s just entered a constant state. Press the button you need to copy, then the indicator by the flashing quickly just now, into a constant on state3. Copy remote controlPress the button of the old remote control tt needs to be copied, and try to stay as close as possible to the copy remote control. At this time, the copy remote control cnges from the on state to a slow flash three times and goes out, indicating tt the pairing s been successful. For other buttons, please follow the above method one by one. Specification - Battery powered - Color: white - Number of cnnels: 2 - Number of keys: 2 - Product model: 432HzEE - Modulation method: ASK - Transmitting power: 3~6dBm - Transmitting current: 21ma - Quiescent current: <0.15 au - Operating frequency: 315/433.99mhz - Operating voltage: DC12v - Battery type: button battery * 2 - Case material: ABS - Product size: 68*33*11mm - Product weight: 18g - Usage range: 150 meters - Package includes: 432HzEE 2PCS remote control</p>