The Smok Tech OSUB King Kit, comes from the OSUB series, bringing you a great experience with higher power. It consists of OSUB King 220W mod and TFV8 Big baby tank with maximum 220W that powered by two external 18650 batteries. Meanwhile, it continues to share the big fire key of the OSUB series. You will enjoy vaping with ease and verve with the TFV8 Big Baby tank. Innovation keeps changing the vaping experience!