Features:LCD display with backlight. Max. display: 6000 Counts.Automatic polarity identification.Measurement mode: Double-intergral style A/D transform.Measure AC/DC voltage, AC/DC current, resistance, capacitance, diode, continuity testing, frequency, etc.RM102 is specially designed with temperature measurement function.Over range indication: OL.Low voltage indication.Auto power off.Sample rate: 3 times per second.