The RAB Lighting HIDFA-40S-H-EX39-8CCT-BYP is a field-adjustable 20/30/40W horizontal LED HID replacement lamp with an EX39 mogul base, designed for ballast-bypass retrofit of horizontal-burning HID high-bay and area fixtures on 100277V. Selectable wattage yields 3,200/4,800/6,400 lumens with field-switchable CCT (3000K/4000K/5000K), 80 CRI, and 160 LPW efficacy. Constant current driver and 50,000-hour rated life support retrofit programs in warehouses, sports facilities, and industrial bays.