Replacing Milwaukee® M12™, M18™, V28® and most other branded 9.6 to 28 V incandescent bulb, the 49-81-0090 Upgrade to LED bulb works in most power tool work lights and delivers over 3X the runtime of traditional light bulb. With a 50000 hr LED and limited lifetime warranty, the 49-81-0090 is a solid state light that will not break from a fall.