Bench Digital Multimeter, 4 7/8 digitsFrequency measuring can rearch 80MHz True 4 7/8 digits Auto data refurbish hold Features ... 0.05% FeatureVC8145Diode √AC+DC measuring√Continuity test√Overloading protection√Input Impedance10MΩSampling frequency4times/sec. Analog bar40 times/sec ... /110V 50Hz/60Hz True RMS,bench-type digital multimeter, VC8145,bench type multimeter,4 7/8 digital multimeter