Multifunctional powerful exhaust fan with fully enclosed pure copper motor (up to 2800r/min) provides efficient fume extraction and ventilation, helping maintain fresh and comfortable indoor air. Durable construction features 7 thickened blades for strong, uniform airflow, resistant to deformation. Operates smoothly with low vibration and reduced noise while delivering high air volume. Designed for long-lasting performance. Includes all necessary mounting hardware and installation instructions for easy setup without professional help. Equipped with a protective grille that is tightly arranged to prevent accidental contact, securely fixed with four screws to minimize shaking and noise. Grille is detachable and easy to clean. Suitable for various indoor spaces requiring continuous or regular ventilation, including kitchens, bedrooms, offices, basements, warehouses, and garages. Material: Alloy. Color: Black, White. Size options: 15 x 15 cm, 14 x 18 cm, 15 x 20 cm, 15.5 x 24.5 cm. Weight options: 1200 g, 1550 g, 2050 g, 2700 g. Power options: 40W, 50W, 80W, 100W. Package includes: 1 x Kitchen exhaust fan.