Engineered for 25 ft and higher ceiling applications, 150 Watt LED Pendant Round HighBay Fixtures come in narrow beam distribution that delivers 14,969 lm and efficacy of 96.7 lm/W, as well as wider distribution model that delivers greater than 16,640 lm and efficacy of 109 lm/W. Units have enclosed power supply housing and covered optics that ensure durability and minimal maintenance disruptions. Dimmable down to 10% on 0–10 V systems, LEDs have 50,000-hour lifetime.