This is a 433.92 MHz garage door remote control. The transmission distance is between 50 and 100 meters (open space). Open gates and garage doors without leaving your vehicle for a new remote control experience and much convenience in everyday life! Universe Gate Remote Control - Enjoy a Better Life! It operates on 433.92 MHz. Beeps of different frequencies are not compatible. Easy operation and wide adaptability, can be applied to bottle trucks, garage doors, lane gates, and auto parts modification fields. 01 All kinds of electric doors, electric garage doors, passage doors, and security monitoring 02 Vehicles, remote control copying for motorcycles and electric vehicles 03 Home scene applications, lighting fixtures, projection curtains, electric doors and windows 04 Agriculture application copying cranes, sprayers, water pumps remote control, etc. [How to activate] 1. Clear first Press and hold both buttons on the remote control at the same time until the indicator light flashes from slow to fast, which means the clear code is successful. The indicator light will continue to flash for about 15 seconds. Please complete step 2 within this period. 2. Selected action button Press the button you need to copy. At this time, the fast flashing indicator light has just changed to a constant state. Press the button you need to copy, then the indicator from the fast flashing just now, into a constant on state. 3. Copy remote control Press the button on the old remote control that needs to be copied and try to stay as close as possible to the copy remote control. At this time, the copy remote control will turn on, flash slowly three times, and then turn off, indicating that the pairing was successful. For other buttons, please follow the above method one by one. Specification -Battery powered -Color: Black -Number of channels: 2 -Number of keys: 2 -Product model: 432HzEV -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: 432HzEV remote control 2PCS