... time life span 3.Voltage:DC32-36V 4.color:white High power LED 50W/White Data Electrical / Optical Characteristics at TA=25°C ... Lighting: Spotlight,Ceiling light,Bulb2.Landscape Light: Down light,Wall lamp,Garden light ,flood light,3.Roadway Lighting: Street light, Tunnel ... .Portable and Personal lighting: Torch,headlight5.Display Lighting: Display case6.Project lamp