GT-Lite 3-Way 1500-lumen LED bulb is an energy-efficient 15-Watt replacement for a 100-Watt incandescent bulb. When used with a 3-way lamp socket, it offers three brightness levels: Low (500 lumens, 30-Watt equivalent), Medium (800 lumens, 60-Watt equivalent), and High (1500 lumens, 100-Watt equivalent). In a standard socket, it defaults to the Medium setting. The E26 base is easy to install and fits most light sockets, with instant light startup. The 3500K Bright White light provides a balanced color between warm and cool, making it perfect for living rooms, bathrooms, kitchens, closets, utility rooms, and more. Start saving energy and money today.