Feature:1. Strong Practicality: The portable exhaust fan maintains a comfortable temperature on the go and keeps the air to help eliminate pet odors.2. Environmental Friendly: Solar panel powered fan adopts energy, environmental friendly and energy saving, and has a long service life.3. Electricity Conversion: Outdoor solar panels can efficiently convert sunlight into electricity, providing environmentally friendly energy.4. Wide Application: Solar exhaust fan can be applied to greenhouses, pet houses, tree houses and RVs etc.5. Ease of Use: The solar mini exhaust fan is easy to use, easy to install, and requires no complicated procedures.How to Use:1. When connected to a solar panel, the way the fan works depends on sunlight.2. When the sun shines to generate hot air, the fan immediately rotates to dissipate heat in time, ventilate and ventilate, save the trouble of pulling wires, which is safer and more convenient.3. There is no rechargeable battery inside the fan; if you need the fan to work at night, you can use a power pack.Specification:Item Type: Solar Exhaust FanMaterial: Monocrystalline Silicon, ABSSolar Panel Size:Approx. 21.5 x 18.5cm / 8.5 x 7.3inFan Size:Approx. 12 x 12cm / 4.7 x 4.7inCurrent: 800mAInterface Output: USB,DCPower: 5WWorking Current: 0.83AWorking Voltage: 5VDc Output: 12-18VOpen Circui