Bayonet Double Contact Non-Indexed US Made High-Flux LED, Best in the World Soothing Warm White Light 15mm Bayonet Base LED Bulbs for Reading Lights Description: The Bayonet Magnum Ring MKII is specially designed to replace most single and double contact 15mm bayonet base incandescent bulbs for reading lights. These US made high-flux LED bulbs produce a warm white light and are fabricated from the highest quality components to assure long life and trouble-free functioning. Their incredibly low power draw (0.1A @12V) makes them the perfect way to reduce energy consumption. High-flux LEDs, the latest LED technology, out-perform cluster LEDs in all respects. Equivalent to a 20-watt incandescent beam.