Material & Characteristic ·Body,frame and backstay cast by aluminum alloy,light and solid construction,outside disposal with static electricity plastic - spur, perdurable. ·High pressure aluminum positive pole reflection,air purity breath appliance inside,assure hight exportation of luminous flux and lessen the declination of reflective coefficient ·Heat resisting,materials of high transparent toughened glass,good transparency,high intensity ·Inner silicon rubber airtight ring,perfect anti - dust and anti - water performance,protective class up to IP65,lessens the repairing incidence of the lamps. ·Stretch buckle for discharging,united design,and inner fixed electric devices,conenient for repairing. ·fixing caliber ∮60-70mm,fixing height:8-12m Applications ·road,bridge,square,dock,parking lot,city district ect.