<p> This is a 433.92 MHz garage door remote control. The transmission distance is between 50 and 100 meters (open space). Open doors and garage doors without leaving your vehicle for a new remote control experience and greater convenience in daily life! Universal gate remote control - Enjoy a better life! It operates on 433.92 MHz. Remotes of different frequencies are not compatible. Easy operation and wide adaptability; it can be used in bottle trucks, garage doors, lane gates, and for automotive parts modification. Applications include: 01 All types of electric doors, electric garage doors, passageways, security monitoring; 02 Vehicles, remote control for motorcycles and electric vehicles; 03 Home applications, lighting fixtures, projection curtains, electric doors and windows; 04 Agriculture, remote control for cranes, sprayers, water pumps, etc. [How to Activate] 1. First, erase the code. Press and hold both buttons on the remote simultaneously until the indicator light flashes slowly to rapidly, indicating successful code clearing. The light will continue flashing for approximately 15 seconds. Please complete step 2 within this time. 2. Select the action button. Press the button you need to copy. At this point, the rapidly flashing indicator light will change to a steady state. Press the button you need to copy; the indicator light will then flash rapidly for a moment before becoming constantly lit. 3. Copy the remote. Press the button on the old remote that needs to be copied and try to keep it as close as possible to the remote being copied. At this point, the copy remote will change from a lit state to a slow flash three times and then turn off, indicating successful pairing. For other buttons, please follow the method above one by one. Specification - Battery powered - Color: White - Number of channels: 2 - Number of keys: 2 - Product model: 432HzNA - Modulation method: Request - Transmission power: 3~6dBm - Transmit current: ≤21mA - Standby current: <0.15A - Operating frequency: 315/433.99MHz - Operating voltage: DC12V - Battery type: Button cell battery * 2 - Case material: ABS - Product size: 68*33*11mm - Product weight: 18g - Operating range: 150 meters - Package includes: 2 x 432HzNA remote controls</p>