Sheng Yi Home Improvement,Hardware,Solar Powered Roof Fan Ventilator Loft Vent For Boat RV Greenhouse Shed Caravan

【Solar Powered and Ultra-low Profile】This roof fan ventilator is powered by solar energy, featuring an ultra-low profile design that ensures quiet operation and efficient extraction. With a large solar panel, it can operate even in areas with less direct sunlight. 【Easy Installation】Simple and hassle-free installation process. Just cut a hole of 82mm or above, place the vent body into the hole, and tighten it by hand with the large plastic nut. No additional tools or drilling required. 【Automatic Operation】When exposed to sunlight, the fan will activate within 20 seconds, automatically extracting warm air. In case of cloudy weather, the built-in capacitors store charge to maintain operation and adjust the fan speed accordingly until full sunlight resumes. 【 Applications】Suitable for various applications including garden sheds, greenhouses, toilets, roofs, gables, campers, caravans, and wall or roof mounting. Provides ventilation and air circulation in different environments. 【Specifications】Equipped with a polycrystalline solar panel (5V, 2.5W) and a DC fan (5V, 2W), this ventilator operates at 2500 RPM, providing an airflow of 33 CFM. The DC ball bearing motor ensures durability and a noise static pressure of 27 dh.