Features:50W solar panel with ventilated chassis fan, solar fan more powerful and stable operation.This solar fan is manufactured using a one-piece stamping process that you can easily mount to any wall.Installed in the attic to cool your house in hot weather by expelling heat;Install it in a greenhouse to keep the air fresh.Solar fan systems cool your roof while reducing the load on your air conditioning system,thus reducing your cooling costs with lower electricity bills.Very suitable for kennel, chicken house, camping, tourism, planting, etc.,can be used as a practical tool for home office or outdoor activities.Specification:100% brand new with high qualitySolar panel:Material: monocrystalline siliconSolar panel cable length: 1 meterFan cable length: 30cmWorking voltage: 12VSolar panel size: 145*145mmOutput port: DCFan:Interface voltage: 12VCurrent: 0.25ASpeed: 250010%RPMNoise: 39dbaAir volume: 87.18CFMWind pressure: 3.86mm2HOBearing structure: double ball bearingDiameter: 120mmPackage Included:1 x Solar panel1 x Mini fanNote:The colors may be a little difference for the different monitor display. Please check as much as possible to make sure the item is the one that you need.Please allow 0.5-1 inch difference due to manual measurement.(1inch=2.54cm)