DSTANA Solar Fan with Battery, 20w Waterproof Solar Powered Greenhouse Exhaust Intake Fan with 9.8Ft On/Off Cable for Outside/Inside Shed, Chicken Coop, Warehouse, Doghouses Cooling Ventilation

Solar Fan with Battery: 20W single crystal solar panels can efficiently convert solar energy to provide electricity. The solar power fan has a built-in battery of 9000mAh. Fully charged in sunlight, can be used for 4 hours at night Solar Intake/Exhaust Fan: There are two installation methods for solar vent fan. The iron mesh facing inward is the exhaust fan. The iron mesh facing outward is the intake fan. Noise 36dB max. Airflow 350CFM max. To provide you with super strong airflow and maintain air circulation Waterproof & Safety Design: The IP65 solar fan outdoor can be used in outdoor weather conditions between -15 to 140?. The fan has a metal protective mesh to prevent things from entering and damaging the blades Easy to Use: The package comes with installation accessories for quick installation. The solar greenhouse fan is equipped with a switch. Convenient control of exhaust fan on/off. You need to adjust the angle of the solar panel bracket during winter and summer to maximize the utilization of solar energy Widely Used: The solar chicken coop fan can provide powerful cooling capacity and is equipped with a 9.8Ft extension cable. Used in greenhouses, pet houses, sheds, window vents, barns, cowsheds, RVs, attics, etc., to resist summer high temperatures and maintain indoor coolness. Remove greenhouse humidity in winter. Beneficial for plant growth