18" Explosion Proof Fan - 3990 CFM - 1/2 HP - 115-230V - C1 Group D, C2 Groups F&G - 50 Hz SAFECROSS Each light contains Four Seoul

Each light contains Four Seoul P4 3-Watt LEDs producing 180 lumens each are arranged in rows to produce  high purity floodlights with 35 degree optics to produce a wider beam spread and more light over a larger area nearer the fixture

This photo shows a large field at a park with no illumination besides the distant street lights

this device can also work as a level-shifter

8 total watts of UV output at a wavelength of 253

or business setting

18" Explosion Proof Fan - 3990 CFM - 1/2 HP - 115-230V - C1 Group D, C2 Groups F&G - 50 Hz SAFECROSS Each light contains Four SeoulSpecifications Additional Information EPF HPSM 18 0. 5HP 50HZ Explosion Proof High Volume Ventilation Fan Ratings Features: Type: High Pressure High Volume Ventilation Fan Listed for United States Propeller Dimensions: 18" Diameter Class I, Divisions 1 & 2, Group D Propeller Material: Spark Resistant Cast Aluminum Class II, Divisions 1 & 2, Groups F & G Weight: 55 lbs Spark Resistant Propeller Voltage: Multi Voltage 115 230V AC 50 Hz Up To 3990 CFM