The RAB Lighting HID-100-EX39-850-BYP-ADJ is a 100W LED HID replacement lamp with an EX39 mogul base, delivering 15,000 lumens at 5000K with 80 CRI for direct retrofit into HID fixtures via ballast bypass on 100277V systems. DLC listed (ID: PLWCZWE9K4Y6) with a 50,000-hour rated life and an adjustable mounting configuration for flexible aiming. Rated at 150 LPW efficacy, this lamp is suited for warehouses, industrial facilities, and commercial high-bay HID retrofit projects.