Electronic Ac/Dc Voltage Tester 12 To 240V Ac, 1.5 To 24V Dc Et40 Tests Ac Voltages From 12V To 240V Ac At Four Useful Levels Aligned With Commonly Used Residential Voltages Tests Dc Voltages From 1.5V To Greater Than 17 To 24V At Four Useful Levels Aligned With Commonly Used Dc Voltages Bright Leds Illuminate To Indicate The Type And Level Of Voltage Detected Built To Withstand A 9.9-Foot (3 M) Drop Indicates Polarity When Measuring Dc Voltages Powers Off Automatically After Approximately 2 Minutes Of Non-Use To Conserve Battery Life Catiii 250V, Class 2, Double Insulation Ingress Protection Ip41 Dust And Water Resistant Built-In Test Lead Holders On Sides Of Tester Low Battery Indicator With Easily Accessible Battery Compartment Pocket Clip Secures Tester To Pocket For Reliable Everyday Carrying Uses 2 X Aaa Batteries (Included) Identifies And Distinguishes Between Ac Or Dc Voltage