Place of Origin:Guangdong, China (Mainland) Brand Name:PROesmoker Model Number:PROesmoker-D Length:135-160mm Diameter:14mm Weight:52-62g Atomizer capacity:2ml Battery capacity:650-1100mah Puffs per full 650mah battery:800 puffs Battery life:300 times Working voltage:3.3-4.2v Color:black,white,silver,blue,purple,red,yellow,etc Certificate:CE,ROHS,FCC http://www.proesmoker.com