DM91S Manual Auto Ranging Digital Multimeter Multifunctional High Accuracy Mini Multimeter 600V/10A Item Type: Multimeter Model: DM91S Material: ABS Power Supply: 2 x AAA 1.5V (Battery Not Included) Purpose: Electricity Numerical Measurement Function/Model  DM91S AC DC voltage  0~600V DC current  0~600mA/0~10A AC current 0~600mA/0~10A Resistance  0~90.99MΩ Capacitance 0~90.99mF Manual/Auto Ranging Intelligent and Manual Integration Buzzer/Diode  Automatic Recognition Battery Voltage Measurement 1.5V/9V 1.5V/9V NCV Yes Illumination Backlight Yes Automatic Shutdown Yes (About 10 Minutes) Data Retention Yes True RMS No LVE Live Wire Recognition Yes VFC (AC Variable Frequency Voltage Measurement) No AC Voltage and Current Frequency Measurement Yes Fuse Blown Alarm Yes SMART Intelligent Recognition Voltage  Yes