Great for Rigid Mounting onto Overhead Cranes due to its ability to take heavy vibration and movement. Recommended Fixture hanging height is between 30ft to 40ft. Replaces a traditional 400W MH and only uses 179 Watts of Power. Produces a minimum of 24,200 Lumens at ambient temperatures from -40°C up to 150°F. Average Life Expectancy of up to 100,000 hours. Light Color Temperature of 5,500 Kelvin.