EarthTronics LED Highbay delivers excellent energy savings when replacing up to a 400 W HID fixtures. This 150 W fixture has a 11.33 inch diameter design and produces 19500 lms which is suitable for 15 to 30 ft mounting heights. It features 4000K color temperature with a high 80+ CRI providing excellent visual acuity for accuracy when working in manufacturing and warehousing applications. The die-cast housing combined with the unique open center ventilated LED array afford excellent heat dissipation providing high lumen maintenance over its service life. IP66 rated for exposed applications. Powder coat finish and stainless steel screws provide for corrosion resistant operation. 1-10 V dimming standard and compatible with several controls. High quality Samsung LED chips provide for excellent lumen maintenance. L92 is at 50000 hours and L80 at 120000 hours (58 °C).