Product description
Features:
1. Built in rechargable battery
2. OLED Display screen
3. 510/EGO thread
4. Micro-USB interface
5. Adjustable voltage from 3v to 6v by 0.1v
6. Adjustable wattage from 3w to 15w by 0.5w
7. You can choose different 18350 18500 18650 battery tube
8. Show the resistance, voltage and wattage ?
9. Output current limited to 4A
10. Reverse polarity protection