Box mod called Tritium
Inside we find great Starplat chip powered by 26650 battery and... Tritium - (also known as hydrogen-3) is a radioactive isotope of hydrogen. Tritium in the mod will glow in the dark for nearly 20 years without additional light source and power supply.
-Ergonomic grip, mod lower than the Predator
-dedicated Ring (28->23mm) included
-Spring loaded 510 -Of course battery cap without unnecessary regulation :)
-pleasant wooden button
-deep engraved tube