1.energy-saving , easy installation , 2.super brightness , high security , 3.reasonable in price , strong penetrating pow Technology indexes about our street lightLight efficiency>135lm/w Light declineabout 5% one yearColor temperature3,000k~12,000kColor rendering rate90Power supplyAC 12v~220vSource utilization rate90%Lifespan6,000~9,000 hoursLuminariesthe normal onePriceequal to a half with the ...