We don’t market volts, because that’s not an accurate indicator of stopping power! Why risk your safety on a stun gun that advertises an incorrect measurement of stun gun strength. Don’t be fooled. Charge, measured in microCoulombs (uC), is! The National Institute for Justice (NIJ) indicates stun guns cause pain at 0.5 uC and intolerable pain at 1.0 uC; the NIJ does not mention volts as an appropriate measure of stun gun strength.