The GE LED Linear 32-Watt 48" T8 Tube Light Bulb in Cool White is a pack of 20 energy-efficient light bulbs specifically designed for indoor use. With a bright white/color temperature ranging from 3500K to 4100K, these LED bulbs provide a high-quality light output of 1000-1999 lumens. The bulbs have a long bulb life of 36,000 hours and come with 2 pin connectors for easy installation. With a voltage ranging from 120-277V, these GE bulbs offer reliable and long-lasting lighting solutions for various lighting applications.