... :10W,15W,20W LLED(DYAL) Series Solar Street lamp Key Features* LED light source* Energy-saving,easy installation ... 13lx3m-38Lx,4m-22lx, 5m-18lx4m-22lx, 6m-13lxReplaced sodium lamp25W-35W40W-50W50W-70WEffective recharge timeHRS/Day666Running timeHRS/Day101010Backup timeDayMax ... confirm before place order.Parts of the systemLED stree lamp modelDYAL10WDYAL15WDYAL20WLamp caseDYA model, Case size L*W*H=530 ...