The product is designed for specific children's riding toys. Please ensure the purchased part matches the appearance of your original component. Step 1: Install two AAA 1.5V batteries (not included), observing the correct polarity as marked inside the battery compartment. Close the battery cover. The indicator will flash three times, indicating correct battery installation. Step 2: Press and hold the frequency key (car select) for approximately 2 seconds. The indicator will begin to flash. Step 3: Turn on the power supply of the car. The indicator will turn off. Step 4: If frequency matching is unsuccessful (indicator remains on), turn off the power supply and repeat Steps 2 and 3. Type: A Color: White & Blue Material: Plastic Package Contents: 1 x Remote Control for Children's Electric Car Note: Light reflection and differences in display screens may cause slight variations in the color of the item shown in the image compared to the actual product. Measurement may vary by up to 1-3 cm.