Preheat+Adjustable voltage rechargeable battery
Size: 11mm* 81mm
Battery capacity: 380mAh
3 Clicks to adjust voltage,2 clicks to preheat
LED light color indicate: Red: -- 3.6V
Blue: -- 3.1V
White : -- 2.7V
Preheating voltage: 1.8V
Color: Stainless Steel, black ,custom color
Thread: 510 thread