... CREE LEDs, 2175 lumens, 0.3 ~ 2.0 foot-candles on the groundPole 16 feet high, made of ... deep cycle batteryWorking Time 8 ~ 10 hours/day, 2 ~ 3 cloudy or rainy days backupOptions for Solar ... 8 years of typical operating life, with a 2-year warranty, automatic operation from dusk to dawn ... 5 ~ 7 years of maximum life, with a 2-year warrantyBenefitsNo line voltage, trenching, or meteringNo power ...