Amperage Limiting to 3.5 amps - The ProVari will monitor and shut itself off if it detects any excessive over-current conditions.
Short Circuit Protection - Protects the ProVari against shorted atomizers/cartomizers. If this error occurs the ProVari will alert you by displaying E1 on the digital display.
Reverse Battery Protection - Protects against reverse battery installation.
No More Screwing Around - With the ProVari you don't need screwdrivers, knobs, volt meters or a computer to adjust your settings. Now you can quickly and easily select the exact voltage you want!
Lighted Pushbutton - The ProVari PV has a translucent lighted pushbutton that alerts you when the battery is low by slowly flashing a red light
One Battery Makes it Better - The ProVari uses a special boost circuit to adjust the voltage to your desired level and single battery devices are considered the safest you can own!
Scroll speed adjust allows you to select the speed of the scrolling menu
1 Year Warranty: Excludes accessories like batteries and atomizers
3.48" L x 0.90" D without atomizer. Each extension ring adds .5"