The Hamilton Buhl SC-150-3K Buhlite 3000 Degree SoftCube Lamp is an energy efficient 150 watt Soft Light with 3000 Kelvin double ended ceramic metal halide lamp & 4 leaf barn door standard. It efficiently lowers the cost of energy consumption because it is only 150 watt low heat lamp. Constant color, no color shifts. 10,000 hour lamp. Portable, set up takes seconds and easily mounts to table top, stands or ceiling. Built in diffuser and barn door allows total light control. UL, CUL & CE.