Fluke 179/1AC-II 8 Piece Electrician's Combo Kit Digital multimeter with backlit display measures AC/DC voltage and current, frequency, resistance, temperature, and capacitance and tests continuity and diodes True RMS meter provides accurate readings when measuring linear or nonlinear loads where the current or voltage has a sinusoidal or nonsinusoidal waveform Temperature probe measures temperature between -40 degrees C and +400 degrees C Meter has both manual- and auto-ranging capabilities for user flexibility Meets IEC safety standard 1010 for Category III up to 1,000V and Category IV up to 600V