... it consists of three parts, cartridge , atomizer and battery.Imist Cartridge is tank , we refill ... , the upper and down part, Imist is different from other e cigarette, and the main difference ... : there are two colors , gun black and chromium color .The capacity ,650mah,900mah,1100mah. ... and replace the wick and the hard-core after the useruse for some time.Let us see the pictures of Imist: e cigarette ...