A practical tool for electrician use. It is easy to operate and the readings indicated directly on the screen, 3 1/2 digits, 7segment, 0.5"high LCD Display, Auto polarity, Small and compact design, Overload protection on all ranges, Diode assembly test/Temp test/Transistor hFE test. Measuring Range: Max AC Current: 10A, Max AC Voltage range: 1000V, Max DC Voltage range: 750V, Resistance Measurement: 200 Ohm-2000K Ohm range, Power Supply: 9V Battery, Size: L-123mm, W-67mm, Thickness-20mm, Black