Philips T3 500-Watt Halogen Light Bulbs are ideal to use in a variety of work lights and security lights. Philips T3 light bulbs are perfect for landscape lighting applications. Each piece uses 500-Watts and gives off up to 9500 lumens to light the way in dark areas. Each 120V bulb boasts a recessed single-contact R7s base that can fit a variety of fixtures. The 500W halogen light bulb gives off a clear light that is dimmable for when you only need a little illumination. It has a P4 horizontal operating position and is available in a pack of two so that you can have a spare. Each bulb will last up to 13.7 years. This energy saving T3 LED light bulb is a great alternative to a standard incandescent bulb.