The live tester is a non-contact voltage detector. Static discriminator technology exclusive in our Live Tester provides more reliable detection on low voltages ranges, and now means no more flase 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. Built in self test function. High quality beeper. Water resistant design. Auto power off. Operator feedback - both visual and audible. Low battery indication . Weighs 1 lbs.