Equipped with monocrystalline silicon solar technology, this aluminum alloy fan activates within 20 seconds of sunlight exposure, resistance and environmental wear Equipped with brushless motor and stainless steel construction, this fan ensures quiet operation, easy maintenance operation with efficient solar energy Optimize kitchen, pet shelters, toilets, safety booths, and agricultural facilities where electrical access is limited or hours 110mm fan with 15W solar panel, works automatically under direct sunlight without wiring or batteries, perfect for energy efficient management Designed for enthusiasts, greenhouse growers, warehouse workers and residential users looking for ventilation in compact spaces, Manufacturer: Mllepjdh