lenght:  156mm 
weight for single cigarette : 37g

nicotine content for each cartridge: 2.62g

mouthfuls for each cartridge keep   900mouthfuls

Nicotine content of each cartridge   equals tradidtional cigarette   60pcs

content of battery: 950mAH

Normal working voltage  3.3v-4.2v
full battery can keep for 1200mouthfuls

charege tiem:  3.5-4hours

life of battery:  300times