Solar Power: The exhaust fan uses the solar panel as the power source, equipped with a standard USB voltage regulator to keep the output, it can be used outdoors anytime, anywhere, convenient and fast. High conversion efficiency: The efficiency of single crystal solar cells is up to 20%. Outdoor solar panels can effectively convert sunlight into electricity. IP65 Waterproof: Solar panel adopts epoxy resin laminated surface, IP65 waterproof can adapt to harsh outdoor environment, improve durability. Eliminate the odor: This portable exhaust fan can help you maintain the indoor air flow effectively, keeping the air clean can help you eliminate the smell of pets, tobacco, etc. Wide range of applications: Suitable for kitchens, greenhouses, pet houses, chicken houses, tree houses and RV, etc., maintaining comfortable temperature levels. Solar cell: Monocrystalline silicon Solar panel power: 10W Solar panel working voltage: 12V Solar panel size: 270x175MM Output port: Female DC DC cable length: 100cm Fan power: 3W*2 Fan size: 12X12X2.5cm Maximum power (pmax): 10W Open circuit voltage (voc): 20V Maximum power voltage (vmpp): 18V Short circuit current (isc): 0.89A Maximum power current (impp): 0.65A Output: USB DC Standard test conditions AM=1.5 Irradiance=1000W/㎡ Temperature=25℃ Fan air volume: 152.6CFM Fan speed: 2200RPM±10% Static Pressure: 2.7mmH2O Colour:Black Material:ABS Package Contents: 1 x Solar panel 2 x Exhaust fan Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.