Eleaf iStick Pico X is a small sized box mod while upgrading with a new intelligent wattage recommending system. Holding in hand, you'll have a comfortable and smooth feel because of the ergonomic design with a rubberized grip. Powered by a single 18650 battery, it can fire up to 75 watts of power. Anyway, it's really worth buying! The iStick Pico X can handle various tanks up to 22mm diameter Intelligent Wattage Recommending System 0.69-inch Display with Optional Interfaces Soft and Smooth to Touch Temperature range at 100-300