The Smok V8 Baby RBA deck is a rebuildable RBA Core are for the Smok TFV8 Baby Beast only. The V8 Baby Beast RBA deck comes pre-installed with patented Clapton Coils 0.3 ohm. For optimum performance, the coils are best vaped between 40-80 Watts. This is not for the 2ml TPD TFV8 Baby Tank (Baby Beast) tank. This is for the 3ml Baby Beast tank.