Digital LCD Display Indicates Continuity With Beep Sound Auto Polarization Acv: 200mv - 750v (0.8%+3) Dcv: 200mv - 1000v (0.5%+4) Dca: 200ma - 20a (1.5%+5) Aca: 200ma - 20a (1.5%+5) Resistance: 200_ - 20m_ (1.0%+5) Freq: 200khz (1.0%+4) Dim: 1.7"h X 3.34"w X 7"d Requires 9v Battery Read Instructions & Warnings Before Use