5-Click protection: Generally, the battery is shipped in the off position. In off position, it will not function even when pressing the button. To turn on battery, press manual button 5 times within 2 seconds. You will see white LED flash. To turn off battery, press manual button 5 times within 2 second as well, the white LED will flash! "5-click protection" can protect the battery from being activated when you do not want or do not use it. No more firing in your pocket!
Cut off time: If the button is pressed for 10 seconds, the battery will shutoff until the button is released.
Short Circuit Protection: When a short is detected, the battery will shutdown until the short is removed.
Low Voltage Protection: When the battery voltage is lower than 3.3v, the battery will shut down.
Over-Discharge Protection: The device will monitor the battery voltage and automatically turn off when the battery is discharged, preventing damage to the battery by overly depleting it. The LED will blink 5 times indicating that a charge is need.
How to adjust the output voltage
Spin the knob in a clockwise direction to increase output voltage and spin the knob in anti-clockwise direction to decrease output voltage. High output voltage gives more vapor. You can adjust the output voltage so easily and enjoy the whole vapor time.