1. Battery capacity: 380mAh
2. Voltage adjustable: 2.7V-3.1V-3.6V
3. Charge: Bottom USB charging port
4. Wattage: 7-10W, special for thick oil tank
5. Button LED light indication: 2.7V(red), 3.1V(green), 3.6V(white), Preheat(Mixed)
6. Protection: Short circuit/Overcharge/Overtime
7. Color: Black/Silver/Gun
8.P reheating time: 15s
(1) 5 clicks on/off
(2) 3 clicks to adjust voltage
(3) 2 clicks to preheat