Digital Display representing voltage and temperature.

510 Cartridge is not included in the box.

Battery: 650mAh

Charging Port: Type-C

Various Voltage: 2.8V / 3.4V / 3.8V

To Adjust Voltage: Rapidly press the button 3 times within 1.5 seconds to change voltage

Green Light Indicates: 2.8V

Blue Light Indicates: 3.4V

Red Light Indicates: 3.8V

Preheating: Rapidly press the button twice within 1.5 seconds to preheat.

Power On/Off: Rapidly press the button 5 times to power on, the switch light will flash once. Press button 5 times rapidly to power off, the device will not automatically power off.