This set contains 45 images as shown on preview pages, wich includes 15 color images, 15 color images with glow effect and 15 black line versions. Images saved at 300 dpi in png files.Included in this set:Incandescence: Fire, light bulb, candle.Chemical Luminescence: Glowstick.Bioluminescence: Jellyfish, anglerfish.Fluorescence: Fluorescent bulb, highlighter.Phosphorescence: Phosphorescence substances.Electric discharge: Neon sign, lightning, plasma ball.Radioluminescence: Radium paint on clock.