1000V, Non-Contact Voltage Tester, For Non-Contact Detection Of Voltage In Cables, Cords, Circuit Breakers, Lighting Fixtures, Switches, Outlets & Wires, High Intensity, Bright Green LED Indicates The Tester Is Operational & Aids In Illuminating The Workspace, When Vage Is Detected, A High Intensity, Bright Red LED Illuminates & A Warning Tone Sounds, Discrete Digitally Controlled On/Off Power Button, Auto Power Off Feature Conserves & Extends Battery Life, Icroprocessor Controlled Low Battery Indicator & Tester Shut Down, Cat IV 1000V Rating Provides Expanded Operation & Protection, 50 To 1000V AC Power Operating Range Allows Broad Application, Durable Polycarbonate Plastic Resin Construction, Lightweight Compact Design, Convenient Clip To Fit In Your Pocket, Includes Insert Card With Integrated Owner's Manual & 2 "AAA" 1.5 V Batteries.