AC Circuit Analyzer, Alert Type Digital Display, CAT Safety Rating CAT III 300V, Display Screen Type OLED, Display Type Digital, Features Estimates Load on Line (ELL) up to 15A, Line and Peak Voltage, Measures Voltage Drop Under Load, Tests Without Disturbing Sensitive Loads, True RMS, Verifies Isolated Grounds (with 61-176 Adapter), For Voltage Range 85 to 265V AC, Frequency Rating 45 to 65 Hz, Ground Impedance 0.00 to 1.99 ohm, Includes 1 ft Extension Cord, Carrying Case