Description LCD display alternate current range 0.01-1000 AC (tolerance 1.5%) alternating voltage detection 0.U600VAC (tolerance 1%) resistance detection 1^40000ohm (tolerance 1%) frequency detection 1Hz-100KHz temperature detection -20°C+1000°C -4°F+1832°F buzzer for continuity detection storage of maximum values battery exhaustion indicator with wire temperature probe