adjustable speed solar powered vent fan with three settings

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Some information about adjustable speed solar powered vent fan with three settings:

Product Type	Solar attic fan
Company Name	SUNNY INTERNATIONAL POWER LIMITED
Production experience	10+years
Place of Origin	Jiangmen,China
OEM and ODM	Yes
Product Features	Energy-saving,Low maintenance,Intelligent,Environmentally friendly...
Power Source	Solar
Motor	Grade BLDC Motor
Application	Livestock farm,Commercial,Shopping mall,Shed,Gymnasium,Warehouse...etc
Payment	L/C,T/T,Cash,Western Union...etc
Whole unit warranty	5 years(in condition of no acid nor alkali corrosive environment)
Designed lifespan	15 years+
Materials	Metal&Plastic
Packing	81 * 25 * 91 According to container size, standard export package
Certificate	ISO9001,CE....
Battery	lithium battery
Color	Black,White,Grey, and customized color
Port	Shenzhen,Guangzhou,HK...
Control Method	Intelligent control
Trading Country	Southeast Asia,Europe,North America,Philippines,Belgium,Saudi Arabia,Tanzania,United States,Kuwait,France...
Selling Units	Single item
Work Time	Day & night nonstop, sunny hours by solar panel, sunless periods by battery
After-sales Service	Online support