... for 250-400W 2.OEM and ODM 3.Good heat-sink 4.low light decay,long lifespan e40 ... LPS, MH, and MVUnique radiator design makes it low power dissipation, and long lifespan.Superior quality, low temperature rise, and low light decayDifferent Beam ... Angle to choose (45°,60°, 90-100°,120°) Low ...