Of course iJoy also wants to have a say in the upcoming Mech Tube market. The Limitless Mech Kit provides the very popular Limitless Classic RDTA, in conjunction with a matching Mech Tube.IJoy's Limitless RDTA Mod Kit consists of a mechanical battery carrier and a hybrid evaporator. The mod is powered by a 18650er battery. The tank has a full filling volume of 6.9 ml and is filled from the side. The evaporator can accommodate many windings and can also be used as a dripper.