Featuring a high efficiency monocrystalline 25W solar panel and double cooling, this 12V solar exhaust fan delivers stable energies conversion with enhances thermals management for prolonged operations Engineered with universals compatibility for offgrid setups, this double fan cooling unit reduces carbon footprint while maintaining consistent across varied solar lighting conditions for owners, greenhouse operators, and outdoor enthusiasts seeking ventilation solution powered by renewable energies sources Perfect for attics, workshops, or camping vehicles requiring temperature regulation through solar powered air circulation in sun exposed environments The construction houses twin fan for airflows circulation, combining solar systems components with space saving for easy installation, Manufacturer: Obotsnoi