Receptacle Tester with GFCI, Alert Type Light, CAT Safety Rating CAT III 1000V, Display Screen Type No Display, Display Type No Display, Features Beeping Audible Indicator Confirms Presence of Voltage, Hi-Impact ABS Housing Withstands a 10 ft Drop and Offers a 250 Pound Crush Rating, For Voltage Range 125V AC (Circuit Tester), 50 to 1,000V AC (NCV Detection), Frequency Rating 50 to 60 Hz, Ground Impedance 0.00 to 1.99 ohm, Load Current 20 A, NEMA Plug Configuration 5-15P