RH739 is a medium to high-end LED high bay luminaire engineered for industrial and clean environments. Delivering up to 28,000 lumens with an efficiency of 140 lm/W, it features Seoul LED chips, optional beam distributions, and integrated microwave sensor control. Designed with aluminum alloy housing, polycarbonate optics, and double protection of IP66 & IP69K with IK08 impact rating, RH739 ensures long-term durability, energy efficiency, and reliability for demanding applications.