Energy-efficient and Efficient: The pure copper motor of this extractor ventilation fan ensures exceptional durability, energy efficiency, and high performance. Boosted Impeller Fan Blade for High-Speed: The specially designed boosted impeller fan blade of exhaust air blower maintains its shape even at high speeds, ensuring consistent and efficient airflow. Premium ABS Fire-Resistant Material for Durability: Crafted from high-quality ABS fire-resistant material, this exhaust fan is built to withstand daily wear and tear. Design with Check Valve: Equipped with a check valve design. The check valve automatically opens and closes with the wind, preventing unwanted air from entering your living space. Energy-saving and Environmentally Friendly: The inclusion of a solar panel in this fan allows for energy-saving and environmentally conscious usage. Harnessing the power of the sun, this fan reduces reliance on traditional electrical sources, resulting in lower energy consumption and a smaller carbon footprint. Exhaust fan power: 4.8W Solar panel power: 8W DC voltage: 12V Motor speed: 2100 rpm Noise: 40 dB Current: 0.4A Maximum power current: 0.66A Open circuit voltage: 14.4V Short circuit current: 0.73A Colour: White Material: ABS Size: 6 Inch Package Contents: 1 x Exhaust Ventilation Fan, 1 x Solar Panel, 1 x Solar Panel Bracket, 1 Pack x Mounting Screws, 1 x English Instruction Manual. Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the real thing. The measurement allowed error is +/- 1-3cm.