160 Lumen Auto-Voltage LED. Replaces 9.6V - 28V incandescent bulbs from most manufacturers. Impact resistant - solid state light does not break from fall. Over 3X run-time - up to 27 hours on a single charge. Limited Lifetime LED Warranty - No fragile filament; 50,000 hour LED Fits: Milwaukee M12, M18 and V28 Flashlights and most other manufacturers lights as well ( DeWalt, Makita, Hitachi, Ridgid, Bosch).