Boosted Impeller Fan Blade for High-Speed Operation: The specially designed impeller fan blade maintains its shape at high speeds, ensuring consistent and efficient airflow. This feature delivers reliable cooling performance without distortion or loss of effectiveness. Anti-Mosquito Design with Check Valve: Features a check valve that automatically opens and closes with airflow, helping prevent mosquitoes and insects from entering your space. Provides a more comfortable, insect-resistant environment. Advanced Features: Includes a remote control for convenient operation and adjustable speed settings via frequency conversion technology, allowing customization of airflow and noise levels to suit your preferences. Easy Installation: Wall-mounted design allows for simple installation and saves floor space. Suitable for those seeking a practical ventilation solution. Model: 6 inches Rated voltage: 220 volts Rated frequency: 50 Hz Power: 5 watts Air volume: 240 cubic meters per hour (Note: Product appearance and printed text may vary by batch, but this does not affect functionality) Color: As shown Material: Plastic Package Contents: 1 x Greenhouse Fan 1 x Remote control Only the items listed above are included; other items are not part of the package. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement error is +/- 1-3 cm.