... 3.Good heat-sink 4.low light decay,long lifespan e40 led high bay / Low power consumption e40 led high bay ... High Pressure Sodium Lamp.11000-16000lm Good heat-sink,low light decay,long lifespan100W/120W/150W LED Industrial ... 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 power consumption ...