... continuously for more than 15 hours after fully recharged one time. The nice aluminium alloy shell,whose surface is solidified ... panel :multi-crystalline silicon 0.35W ,5V,70mA. Life time:3-5yearsSolar battery: high efficient battery module(3.7V 1200mA ... ,000 hoursEffective range:50m Illuminable distance: 1000m; luminance20 lumensContinuous work time: 15 hoursDimension: 245×55mm; N.W.: 310g; G.W.: ...