... day and nightBalance seasonal power output difference of wind and solarIndependent system, no city grid cable neededLonger ... SpecificationQTY1Wind generatorHY-400L 24V400W 24V, 5 blades low wind type12Solar panel90W 12V120W polycrystalline solar modules23Wind & solar hybrid ... – base on light source load, lighting hours, site wind & solar resources conditionDetailed installation guide or optional on-site ...