This is a 433.92 MHz garage door remote control. The transmission distance is between 50 and 100 meters (open space). Open the garage door and doors without leaving the vehicle for a new remote control experience and comfort in daily life! Telecommand Universal Portal - Enjoy a Better Life The operating frequency is 433.92 MHz. Incompatible buzzing sounds of different frequencies Easy to operate, widely adaptable, suitable for bottle trucks, garage doors, lane door bans, and automotive parts modification fields 01 All types of electric doors, electric garage doors, access doors, safety monitoring 02 Copy of remote control for vehicles, motorcycles, and electric vehicles 03 Home stage applications, lighting fixtures, projection curtains, electric doors and windows 04 Agricultural application Replication crane, spray, water pump remote controller, etc [How to activate] 1. First, delete Simultaneously press and hold both buttons on the remote control until the indicator light flashes from slow to fast, indicating successful code clearing. The indicator light will continue to flash for about 15 seconds. Please complete step 2 during this period 2. Selected operation button Click the button that needs to be copied. At this moment, the rapidly flashing LED has just switched to a constant state. Press the button that needs to be copied, and the indicator will immediately flash rapidly and remain constantly lit 3. Copy remote control Press the button on the old remote control to be copied and try to get as close as possible to the copied remote control. At this point, switching the remote control from the on state to slow flashing three times and then turning off indicates successful pairing For other buttons, please follow the above methods one by one Specification -Battery powered -Color: White -Number of channels: 2 -Number of keys: 2 -Product model: 432HZNA -Modulation method: Inquiry -Transmission power: 3~6dBm -Emission current: 21mA -Static current: ; 0.15 to -Operating frequency: 315/433.99MHz -Working voltage: DC12V -Battery type: Battery button * 2 -Shell material: ABS -Product size: 68 * 33 * 11mm -Product weight: 18 grams -Range of use: 150 meters -Package includes: 2 pieces of 432HZNA remote control