Cowin Solar Fan System - Solar Energy Fan (16&rsquo;&rsquo; Blade), LED Light, 15W Solar Panel, USB Port, Comes with Outlet Converter [Speed Adjustment]: The Cowin Solar Fan comes with 3 different speed modes with a low speed mode of 1000 RPM and a high speed mode of 1350 RPM. [AC and DC Power Capability]: The Solar Fan can be powered and charged by DC power from 15W solar panel. In the event of little or no sunlight, or no charge, the fan can be charged through AC power adapter, which comes with the fan. Our fan is built with a rechargeable battery that comes with overcharge/discharge protection. [LED Light and USB Port and Remote control]: Our Fan has a built in LED light for illumination in the night. Electronic devices can also be charged efficiently with our fans USB port and remote control [Package]: Solar Fan (16 inch blade), 15W/18V Solar panel with 19.6 feet cable, AC adapter [Efficient Delivery and 1 Year Warranty]: Seller fulfillment delivery time: 3-7 days, FBA will be more efficient.1 year warranty is included.