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 optimal cooling performance without distortion or reduced effectiveness. Anti-Mosquito Design with Check Valve: Features a check valve that automatically opens and closes with airflow, acting as a barrier against mosquitoes and other insects. Helps keep your indoor environment comfortable and insect-free. Advanced Features: Includes a remote control for convenient operation and adjustable speed settings via frequency conversion technology. Allows 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 rooms requiring an efficient and 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 by batch, but this does not affect functionality) Color: As shown Material: Plastic Package Contents: 1 x Greenhouse Fan 1 x Remote Control Note: Light reflection and differences in display screens may cause slight variations in color between the product image and actual item. Measurement error allowed is +/- 1-3 cm.