This is a 433.92MHZ garage door remote control.The transmission distance is between 50 and 100 meters (open space).Open gates and garage doors without getting out of your vehicle for a new remote control experience and lots of convenience in everyday life!Universe portal remote control - Enjoy a better life!It operates on 433.92 MHz.Beeps of different frequencies are not compatible.Easy operation and wide adaptability, in bottle truck, garage door, track door ban, automobile parts modification field can be applied.01 all types of electric doors, electric garage doors, passage doors, 02 vehicle security monitoring, remote control copy for motorcycles and electric vehicles 03 home scene applications, lighting fixtures, projection curtains, electric doors and windows04 agriculture application copy cranes, sprayers, remote control water pumps, etc.[How to activate] Specification - Battery powered - Color: white - Number of channels: 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 - Working voltage: DC12v - Battery type: button battery * 2 - Case material: ABS - Product size: 68*33*11mm -Product weight: 18 g - Range of use: 150 meters-Package included: 432HzEE remote control 1PCS