Display: True RMS 4000 counts LCD screen for accurate readings on fluctuating signals.AC Current Range: Measures 4A, 40A, and up to 400A via the transformer clamp jaws.Voltage Range: Measures both AC and DC voltage from 400mV up to 600V.Resistance Range: From 400Ω up to 40MΩ.Capacitance Range: From 4nF up to 4mF.