Receptacle Tester Alert Type Light CAT Safety Rating Not Rated Display Screen Type No Display Display Type No Display Features Detect Faulty Wiring in 3-Wire Receptacles Easy-to-Read Fault Label on Both Sides for Receptacles with Ground up or Ground Down Installation Unique inFinger Loop in Eases Removal from Receptacles Especially those with High Retention force For Voltage Range 120V AC NEMA Plug Configuration 5-15P Tester Type Receptacle Wiring Tester