Gbargain UniT UT12A VoltAlert Non Contact Voltage Tester AC Detector Live 90 to 1000V Voltbeat technology and self-test - so you always know it is working RED LED voltage indicator with beep sound Voltage range AC 90v - 1000v, CAT II 1000v Detects AC voltage without metallic contact Full non-metallic material, avoid shock risk,Safety Stanard IP54, IEC1010