HASTINGS Live Tester is a technological breakthrough in non-contact voltage detectors. Static Discriminator technology exclusive in Live Tester provides more reliable detection on low voltage ranges, and now means no more false alarms. Live Tester is ready for hot stick use with the all in one universal attachment and shotgun adapter handle. Electronic Touchpad includes 11 range settings from 240v to 230KV and 2 URD settings 15KV and 25KV. Requires (3) C Cell Batteries included. Electronic Touch Pad Control Built-In Self Test Function High Quality Beeper Water Resistant Design Auto Power Off Operator Feedback – both Visual and Audible Low Battery Indication Weighs less than 1 pound > Each Unit Includes (3) C Cell Batteries included.