The Beloved Wismec Rx200 Box Mod is now better than ever! The All-New Wismec DNA200 takes the loved appearance and feel of the Original RX200 with upgraded internals. Integrating the Powerful and Accurate DNA200 Chip in the Rx200 Body with slight modifications such as a slightly bigger OLED screen, increased from 0.69in to 0.91in creates the perfectly precise and efficient Box Mod that wont have you second guessing! The Wismec DNA200 features two firing modes, Variable Wattage (VW) and Temperature Control (TC) to allow the user to build with Kanthal Wire or Temp-Control Nickel wire to gain access to Temp-control Features. Implements the use of three removable 18650 batteries and has reverse polarity protection. Capable of 200W, The Wismec Reuleaux DNA200 is the Perfect all-around mod for all your vaping needs!