Simple, easy, convenient Simple form;Ease of installation;Convenient specification;Ease of maintenance Functional high bay lighting has a new look with LED Sealed high bay luminaires. You don't need to sacrifice smart looks for affordable, dependable lighting in your functional spaces anymore. This Sealed high bay delivers up to 33,000 lumens with efficacies up to 151 LPW. Bring your retail and institutional spaces to life with this cost-effective luminaire built to last with a corrosion-resistant finish. No more sacrifice, just great looks, dependability and energy-savings. Multiple lumen options;Simple mounting methods;Standard 0-10V dimming;Color selectable 4000K/5000K;Lumen selectable small size 14000/21000;Lumen selectable large size 28000/33000;Field mount microwave sensor and programming remote Warehouses;Manufacturing