• Always runs on free solar power. The fan automatically regulates itself when temerature high 29 degree Celsius If the Sun is shining on the solar panel.
• The TwinPa Solar Attic Fan is an all-in-one unit that is designed to lower your attic temperatures and stop damage from moisture,good for the environment.
• Ventilates up to 2000 square feet of attic space with its 1300 CFM capacity.The built-in adjustable Solar panel maintains a strong air flow that makes this a great product for proper attic ventilation.
• Easily installed with No wiring required. You can adjust the panel angle or detached it and mount remotely for maximum exposure to the sun.
• Durable rust-free aluminum ensures long life & no maintenance. No Battery inside,so it's safe for your house!

Solar Powered Attic fan
Shell: 32 mils powder coated galvanized Stee
Features:
20 W PV panel
Adjustable angel pane
9 in Aluminum fan blade
Thermostat O/F at 86°F ± 5°F
Motor:
12V DC auto-inverted brushless motor
Tightly sealed Aluminum body to dissipate heat & prevent dust infiltration
Exhaust: More than 1300CFM
Warranty: 1year
Note: this attic fan no battery, so you don't need care battery danger.