theg pro herbal vaporizer is engineered with a safety. Locking mechanism to prevent accidental use and automatic shut- off system to prevent overuse and maximize battery life to power vaporizer on/ off press the.powwer button five times to quickly the power button will turn red once the device is powered on and beginning to.heat the power button will turn green once heating chamber has reached vaporization temperatures four minutes after powering on the device will automatically