Features:
1 Industry-standard 510 Connection
2 Comes with a USB charging cable
3 Adjustable voltage
4 Preheat option
5 Bottom twist to change the voltage
6 3 thread types available.
Directions:
5 Clicks to turn on/off
Bottom twist to adjust the voltage
2 Clicks to preheat hold for 15 seconds
Package Includes:
1*Bottom Twist Battery Pen
1*USB charger