How to use iStick 100W?

Quickly press the fire button for five times, you can turn on the iStick 100W.
When the mod is on, quickly press the fire button three times, you can switch the modes between voltage and wattage.
If you want to lock/unlock the adjustment buttons, you can press them both at the same time for three seconds.
When your iStick 100W is off, you can press the adjustment buttons at the same time for three seconds to switch the screen to a left-handed view.