1. High quality mechanical parts , totally stainless steel material, top pin and buttom pin is brass. CNC machined.
2. Durable design: special mechanical switch on/ off in the bottom, no circuit to control on/ off.
3. Safety design: special insulative material, air holes in the main cup.
4. It has a drawtube which has a great number of screw threads and which can be screwed out for extending its length so that you have variable choice of different kinds battery 18650, 18350, 16340 to get 3.7V or 6V, you have more choice for mechanical mod now.
5. No PCB inside to avoid short circuit and breakdown, more durable.
1. drawtube for extended.
2. button can be up and down, just depends on different customers’ interest. whant is more, when you do not want to use, you can lock it in case of working carelessly. 3. 510 and eGo screw sthreading to be compatible with any kind of atomizers or tank
4. No PCB inside to avoid short circuit and breakdown, more durable.
5. Electric Saving and Safe in locking Mode.