The 110mm Ventilator with 15W Solar Panel ventilation, automatically operating under direct sunlight without wiring or batteries, perfect for energy efficient management Equipped with monocrystalline silicon solar technology, this aluminum alloy ventilator activates within 20 seconds of sunlight exposure, resisting and environmental wear Designed for enthusiasts, greenhouse cultivators, warehouse operators, and residential users seeking ventilation in compact spaces Featuring brushless motor and stainless steel construction, this ventilator ensures quiet, maintenance easy operational with efficient solar power Optimizes kitchen, pet shelters, restrooms, security cabins, and agricultural structures where electrical access is limited or hours, Manufacturer: Zktfyshk