EYE 68290 - 250 Watt - Self Ballasted - Mercury Vapor - 5000 Lumens - 3200K - Coated - 20 Lumens per Watt - ANSI B94 - 250WSB/E28-MED Color/Finish: White Color Temperature: 3,200K Average Lifetime: 12000 hours Lumens (light output): 5000 CRI: 50