Don’t overcook your delicate oils. Included: Twist – variable voltage battery no more tapping buttons to adjust temp, simply TWIST to your desired setting! Fits all 510 thread cartridges, USB charging.
Most all 510 cartridges
2 Click PreHeat Setting(2.0v) – Great for thick oils
Twist Variable Voltage(2.0v- 4.0v)
Temp Control 400mAh Battery w/ Preheat
5 Click On/Off – Safety Feature
Universal USB Charging