The live tester is a non-contact voltage detector. Static discriminator technology exclusive in our Live Tester. Provides more reliable detection on low voltage ranges, and now means no more false alaRMS. Incorporates an all in one universal attachment and a shotgun adapter into the handle. Electronic touchpad includes 11 range settings from 240v to 230KV and 2 URD settings, 15KV and 25KV. Includes (3) C cell batteries.