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 , IP65 waterproof can adapt to harsh outdoor environment, improve durability. the odor: This portable exhaust fan can help you maintain the indoor air flow effectively, keeping the air clean can help you 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 siliconSolar panel power: 10WSolar panel working voltage: 12VSolar panel size: 270x175MMOutput port: Female DCDC cable length: 100cmFan power: 3W*2Fan size: 12X12X2.5cmMaximum power (pmax): 10WOpen circuit voltage (voc): 20VMaximum power voltage (vmpp): 18VShort circuit current (): 0.89AMaximum power current (impp): 0.65AOutput: USB DCStandard test conditionsAM=1.5Irradiance=1000W/Temperature=25Fan air volume: 152.6CFMFan speed: 2200RPM10%Static Pressure: 2.7mmH2OColour:BlackMaterial:ABSPackage Contents:1 x Solar panel2 x Exhaust fanOnly 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.