Product information: Material: metal+plastic Model: 30W with 25cm fan Features: 1. The efficiency of single crystal solar cells is as high as 20%. 2. Outdoor solar panels can effectively convert sunlight into electric energy. 3. Keeping the air can help you eliminate the smell of pets. 4. Equipped with rich interfaces, you can connect a charging treasure or battery to keep the fan running at night. 5. Epoxy resin surface lamination, IP65 waterproof, improve durability. 6. Portable indoor use. 7. Suitable for greenhouses, pet houses, tree houses and motor homes, etc., to maintain a comfortable temperature level. Packing list: 1* solar panel 1*25cm circular fan 1* General instructions