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 supports optimal cooling performance without distortion or reduced effectiveness. Anti-Mosquito Design with Check Valve: Features a check valve that acts as a barrier against mosquitoes and other insects. The valve automatically opens with airflow and closes when the fan is off, helping prevent pests from entering your space. Enjoy a more comfortable indoor environment. Advanced Features: Includes a remote control for convenient operation. Offers adjustable speed settings through frequency conversion technology, allowing customization of airflow and noise levels to suit personal 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 labeling may vary slightly by production 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 are included; other accessories are not included. Note: Lighting and display settings may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.