Sunlite 26010-su 39par30/hal/sp 38w par30 reflector halogen bulb, medium base sunlite halogen par30 reflector bulbs can last up to 1.3 years with normal household use of 3 hours a day and display a brighter, whiter light than incandescent bulbs. This 38 watt, medium based, par30 reflector bulb offers a light output of 520 lumens, a and has an average rated life of 1,500 hours. Great for portable lamps, ceiling fixtures, track lighting, showcase displays and most common residential and commercial lighting needs. Halogen bulbs produce more lumens per watt (lpw) and have a longer lamp life than standard incandescent lamps. You can lower operation costs by more than 30% by using fewer halogen lamps to produce a greater amount of light.