Numbers of Puffs: Up to 500 puffs (actual puffs may vary depending on how long each individual's drag is). Power indicator light: Red LED light on end. No button to press, Simply take a drag just like a real hookah. Tobacco free. Nicotine free. NO FLAMES OR BURNS No charcoal. No fire. No ashes. No tar. No carbon monoxide. size: electronic cigarette is 12.5 cm, 13.5 cm packaging; This electronic cigarette (1) smoke bar weighs only 9.8 g, portable easy picking up, is very popular among the masses of friends; (2) the use of white plastic cigarette holder, extrusion, can bite, fearless cigarette holder; (3) a can carry about 500 mouth, portable and can be put in any bag or pocket, save carrying yanju and other parts of the worry; (4) using the latest design of cigarette smoking has a more realistic visual effect, more levels and tastes. (5)Glowing Tip - glowing LED which lights up with each puff. (6)One Piece Construction - Shisha pen combines the battery, atomizer and cartridge. (7)Activation Tab - Use straight out of the tube, no assembly required. Just pull the activation tab. (8)Silicone Tip - Designed with a single hole for maximized draw and resistance, the silicone tip creates a traditional cigarette feel.