30 LED 100,000 hours rated bulb hours - reflector cavities intensify the led light output . Quick and easy bulb replacement. No need to pay the price of new LED light. Adds versatility to technicians current light assortment. It puts out about 3 Watts running a lot cooler and a lot more efficiently than a conventional and a fluorescent bulb and illuminates better than the conventional and the fluorescent bulb The 30 LED PL Mount Bulb is a direct drop-in bulb that fits all existing lights in the market place which utilizes the 13W fluorescent bulb with 2-pin PL mounting base. The 30 LED replacement bulb is rated at 100,000 hours continuous run time. It puts out about 3 Watts running a lot cooler and a lot more efficiently than a conventional and a fluorescent bulb and illuminates better than the conventional and the fluorescent bulb. Convert any old trouble light into an LED trouble light in seconds at a lower price than a new LED trouble light. You can convert your light back to fluorescent light quickly and easily when the need arises for fluorescent light.