The VS-AVT-C02-L03 VeriSafe Absence of Voltage Tester is the first-of-its-kind voltage tester that determines the absence of voltage with just a push of a button. Activating VeriSafe performs an absence of voltage test before opening the panel, helping prevent possible exposure to electrical hazards, improving safety, and reducing risk. Includes AVT tester equipped with 3' sensor leads, 2' system cable, and industrial Lithium battery.