Yocan Vaping Forum

Yocan UNI Box Mod is so light, and small yet has a 650 mah internal battery with with 3 levels of power with a adjustable height level for your oil cartridge plus a oil Level Window, and included a 510 threaded magnetic connection for your cartridge which you do need to use.
Also has a 10-second pre-heat feature.

Yocan UNI Box Mod for all types of oils Review
Thanks @Smokie