Digital Multimeter Sunshine DT 19NProduct DescriptionMaterial AluminumDimensions:19*11.5*4 CmOperating Mode:Manual Operating Temperature:0 40 °C DisplayWorking Mode:Digital DisplayFunction Resistance Measurement, Temperature Measurement, Diode, Buzzer Alarm.Electrionic Meter Can Measure AC DC Voltage, AC DC Current, Resistance, Frequency, Continuity, Diode And Etc.Back Light For Display, TRMS Value, Small Light Weight Design Pocket Size, Easy To CarryBacklight And Hold Function With NCV .