The Aleo XLB4-270UX/850/F UXE G4 ECO (SR/RC) Ultra High Efficacy LED High Bay is engineered for demanding commercial and industrial environments with high ceilings, such as warehouses, manufacturing facilities, gymnasiums, and retail spaces. This 4-foot linear fixture features ultra high-efficiency LED packages, delivering up to 150 lumens per watt and a selectable color temperature of 5000K for bright, clear illumination. The fixture supports universal input voltage (120-277V), continuous 0-10V dimming, and is UL Listed with DLC Premium certification. Its rugged construction includes a white durable finish and a frosted lens diffuser to reduce glare. Mounting options include suspension, pendant, and surface mount, with V-hook hangers and chain accessories included. The luminaire offers a rated life of up to 75,000 hours, a CRI of 82+, and operates in temperatures from -20°C to 50°C. It is suitable for damp locations and supports advanced controls such as occupancy sensors and daylight harvesting.