1.Bright white LED light. 2.LED never burns out. Extends battery life to 3 times longer than incandescent. 3.Ultra focus for long distances. Brighter than original incandescent bulbs. 4.Fit Maglite 3-6 cell flashlight. 5. High lumen 302 Lumen output at 9volt. 5.Real circuit. 6.Reverse polarity protection circuit. 7.Electronically regulated for constant light output. 8.Package: 1pc led bulb