Main Features:
Variable Voltages: Red - 4.0V, Yellow- 3.4V, Green - 2.7V
2X pre-heat / 1.8V
3X to change voltages
5X on/off
Bottom charge
510 Thread
Specifications:
Battery Capacity: 640 mAh
Product size: 14.0*80.6mm
Material: SUS304 stainless steel tube
Charger not included