- Turn on/off: Press the power button 5 times quickly.
- Connect your 510 carts to the device, the OLED display shows the resistance of the cart.
- Preheat: Press the power button 2 times quickly to start to preheat (at 1.8V). The OLED display will stay on and countdown 10S. To stop preheating manually, press the power button another 2 times quickly
- Adjustable voltage: 1.8-4.2V. Voltage is accurate to 0.1V, Press the left (-) and right (+) buttons to get to desired voltage setting.
- Safety cutoff: When the power button is pressed continuously for more than 15 seconds, the OLED display warns OVER TIME and stops working. Release the power button and then press the power button to continue vaping.
- Puff Counter & Timer: When the device is on and connected with the cart successfully, every time you press the button over 0.5S counts as one. The counter will reset to zero automatically after it reaches 9999. To reset the counter to zero manually, press the power button and the left (-) button at the same time. The timer records the seconds (<15s) at each time of use.
- Battery status display
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