Power: <0.8W. 2pcs Power: <0.8W. Automatic cooling system: uses sunlight from the solar panel to run the fan. Panel: polycrystalline silicon solar panel no batteries needed! Power source: Solar. Cooling function: makes you feel comfortable when you enter the car, prevents the release of formaldehyde, reduces the use of air conditioning and extends the life of the car's internal electrical components.
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