IJOY SABER 100 MOD is a single 20700 battery(Not Included) regulated tube mod! The structure is compact, all CNC engraving, and rich colours. The IWEPAL chip is carried inside, which adds short-circuit protection, low-power protection, and anti-reverse protection of the battery. This makes the mod safer and more reliable and removes the unsafe factors of the mechanical mod. Personalized pentagonal fire button and adjustment buttons, with OLED display, 100W power adjustable, strong output, easy to operate. Support large-diameter tanks. The battery is removable and supports USB fast charging. Equipped with a 20700 battery (Not Included), the energy density is almost 1.5 times higher than 18650, and 18650 battery can also be used through the battery adaptor!