Our Next TC luminous is an extension of our successful Next series. These elegant handheld vaporizer falls under the category of STL (straight to lung). Additional benefits of the Next TC Luminous compared to our "normal" Next are: TC = Temperature Controlled (temperature controlled); evaporation at a fixed temperature of 287? or 550? PCBA TC unit drivers of battery to coil 0.2 Ni200 Ohm TC coil even more vapor and flavor perception by TC unit "Glow in the Dark" function * For optimal performance of cloud chasing, STL, want to use, we strongly recommend to NON- nicotine to choose e-liquid, in this case our 0mg e-liquids. If you do want to add some nicotine, it is possible that you are our 6mg and 0mg mixed in the ratio of 50% 6 mg and 50% fill with 0 mg containing e-liquid.