The GE PH212 Light Bulb (115-125V, 150W) is a 115/25 volt, 150 watt frosted incandescent light bulb. It is "A" shaped with a glass diameter of 2.6 inches, a screw base measuring 26 millimeters in diameter, and an overall length of 4.9 inches. It has a Kelvin temperature of 3050 and is rated at 100 life hours. (GE40570)