electronic cigarettte ZYS602A

What is the difference between electronic cigarette and normal cigarette ? No tar and other carcinogenic substance or harmful ingredients to human body No ignition required will not bring over 4000 chemical substance produced by the normal cigarette,like carbon monoxide. So, without harmness to the environment and others, no harmless of second-hand smoking, no danger to cause fire, it can be used safelying most no-smoking places. It is not prohibited by law. It can make people quite smoking nonpainfully by stages by replacing the cartridge with different density liquid in