Receptacle Tester with GFCI, Alert Type Light, CAT Safety Rating Not Rated, Display Screen Type No Display, Display Type No Display, Features Easy-to-Read Light Indicators Show Common Wiring Problems, For Voltage Range 110 to 125V AC, Frequency Rating Not Applicable, Ground Impedance Not Applicable, Load Current Not Applicable, Maximum Tension Measurement Not Applicable, Minimum Tension Measurement Not Applicable, NEMA Plug Configuration 5-15P, Tester Type Receptacle Wiring and GFCI Tester