Proving Unit Product Type Proving Unit For Use With Clamp Meters Continuity Testers High Impedance Multimeters Low Impedance Multimeters Two-Pole Voltage Features Reduces the Risk of Shock and Arc Flash by Validating the Functionality of Test Tools without Placing Yourself in a Potentially Hazardous Electrical Environment Includes TPAK Hanging Strap Output Voltage 240 V AC/DC Compatible with Brand Universal Battery Size AA Battery Voltage 240V