This listing is for two packages of General Electric PowerMite M2 flashbulbs, each containing 24 bulbs. These incandescent flashlights have a bayonet mount and a built-in slave cell for easy use. The light color is white and clear, and the flash head trigger is compatible with GE brands. The bulbs are sold under the categories of Flash Bulbs & Tubes, Flash Lighting, Lighting & Studio, and Cameras & Photo. Please note that the power source is unknown, and there is no California Prop 65 warning. If you are in need of reliable flashbulbs for your photography or lighting needs, these General Electric PowerMite M2 bulbs are an excellent choice.