High-efficiency solar attic roof fan with 20W solar panel

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Some information about High-efficiency solar attic roof fan with 20W solar panel:

Product Type	Solar Fan
Company Name	SUNNY INTERNATIONAL POWER LIMITED
Core Components	Motor
Production experience	10+years
Place of Origin	Jiangmen,Guangdong,China
OEM and ODM	Yes
Product Features	Low maintenance,Quiet,Energy-saving...
Power Source	Solar
Motor	Grade BLDC Motor
Application	greenhouse farms,industrial buildings,factories,shopping mall...etc
Payment	L/C,Western Union,Cash,paypal...etc
Whole unit warranty	5 years(in condition of no acid nor alkali corrosive environment)
Designed lifespan	15 years+
Materials	Metal&Plastic
Packing	83 * 29 * 98 According to container size, standard export package
Certificate	ISO,CE....
Battery	lithium battery
Color	Grey,Black,White, and customized color
Port	Shenzhen,Guangzhou...
Control Method	Intelligent control
Trading Country	Mid east,North america,South america,Africa,Sri Lanka,Cocos (Keeling) Islands,Saint Vincent and the Grenadines,Guernsey...
Selling Units	Single item
Work Time	Day & night nonstop, sunny hours by solar panel, sunless periods by battery
After-sales Service	Online support