B1156BWSpot Bright White Spot reading light This is a Bright White 24 LED bulb style light which is an ideal replacement for the 1183 light bulb. This light is about 70% the amount of light as the 1183 and is easyer on your eyes. The Temperature of this bulb is 60 to 70 percent cooler than the 1183 incandescent bulb. See pictures below.