... Panel100W, monocrystalline or polycrystalline, conversion efficiency: 15%Light Source23W induction lamp, 2437 lumens, 0.3 ~ 1.5 foot-candles ... LightingMilitary Base LightingStandard FeaturesSolar Panel: over 25 years of power generation capacity, with a 5-year warrantyLED Light: CREE ... -life PV modules with more than 25 years of power generation capacityEnvironmentally friendly -100% powered by the sun, ...