The rDNA (on the left) is a variable power or wattage electronic cigarette or PV that contains the DNA 40 electronic chipset from Evolv LLC. A CLT V2 plus rebuildable dripping atomizer is attached to the connection of rDNA. The Segelie 20 (on the right) is a PV that houses the SX chip manufactured in china. A kayfun Lite is screwed in the 510 connection of the Segelie 20.