... efficiency:>83% 5.Have single and full color High Power Solar Underground LightsProduct features and usage:1.Product use die-cased ... above 50,000hours.5.Be suitable for urban plaza,garden road,commercial pedestrian street and parking places as ground adornment ... AC220VLamp Power:15*1WMaterials:Die-cast aluminum lamp body,tempered glass cover,stainless steelLamp Color:Red,yellow,blue,green,white,warm ...