Solar Attic Fan Solar 20 Watt Solar-Powered Roof Mounted with Quiet Brushless 24V DC Motor Bonus Thermostat and Humidistat Pre-Installed Easy Installation Exhaust Fan

• Brushless motor, Noise Less Than 45db,15 year warranty.
• Comes with smart thermostat control 87f, automatically work if temerature high 87F when sunshine.
• Durable rust-free aluminum ensures long life & no maintenance. No Battery inside,so it's safe for your house
• Adjustable solar panel (any angle), 20W, up to 2000 cool sq. ft. off capacity.
• 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.

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.