All in One system with folding mouthpiece Size: 82 x 43 x 12.3mm Material: Aluminum Alloy Chassis + plastics heating wire Material: Kanthal A1 Working mode: full output power Input volts: 3.4V - 4.2V Battery capacity: 1100mAh Resistance: 1.6ohm Tank capacity: 2.0ml Charging: DC 5V/1.0A