Solar-powered Roof Vents & Low Vents

* Powered by sunlight and ambient light
* Resists moisture, mildew, odor, condensation; pollution-free and heat-dissipated
* Roof vents w/clear lens on top to enhance solar power efficiency
* #304 stainless-steel front cowl and single crystal silicon solar cells to guarantee durability
* Day and night versions w/built-in rechargeable NiMH battery for 24hr operation
* Wireless, low noise and pollution-free