Buy directly form the manufacturer, www.Solar-Lakes.com and save - Solar Battery Powered, Remote Controlled and Automatic Stainless Steel Reel System designed for rectangular in-ground swimming pools up to 20x40 feet. Made by Solar-Lakes.com . One person can open or close the solar blanket easily as you can see in this video: https://youtu.be/gjMemQKjakE . We would like you to enjoy your pool from the moment you thought about taking a swim.. ..without the hassle of manually cranking the reel to roll up your solar blanket.. This solar battery powered, automatic, remote controlled reel system rolls up your solar blanket in about a minute. Watch product demonstration video at : https://youtu.be/3CqsGBp0B9U We tested the system opening closing the pool 2-3 times per day and if there was 2 days full sunshine per week, then the solar panel fully charged the battery, and the AC/DC charger was not needed during the season at all. Designed to use with the most common "12 mil" solar blanket or use with any solar blanket that is maximum 1/4" thick and compatible with most 3" aluminum tubes. WHAT IS INCLUDED IN THIS sale: the solar battery operated stainless steel reel-end system; two handheld remote controllers; an AC/DC indoor battery charger, that is not necessary for the daily operation of the unit and not intended to be plugged in outdoors for your safety, only needed for winterizing the battery, to keep your battery conditioned and charged to be ready for use in the spring again. WHAT IS NOT INCLUDED: the compatible premium aluminum 3" tubes and the Blanket Attachment Kit is not included - contact us through our web page, Solar-Lakes.com , for discount bundle offer. We do not sell the blue solar blankets in our store. WARRANTY: 15 days no-questions-asked return policy on all units; one year manufacturer's warranty; optional 2 3 year extended warranty can be purchased from Solar-Lakes.com for all units. We do not honor third party extended warranty contracts. Warranty is void if there is physical damage to the glass solar panel, if the system is immersed/dropped in your pool water, if abused, misused, modified, opened or tampered with. Fast shipping from Ohio.