Automatic measurementBy default, it enters the intelligent (automatic) mode, and the digital multimeter automatically recognizes and measures AC and DC voltage, resistance, and continuity. It also tests capacitors, diodes, frequency and live. [WIDE APPLICATIONS] Set includes 1 multimeter, 1 test lead, 1 user manual, 2 AAA batteries for industrial electrical safety measurements, home electrical problems, vehicle and circuit testing. Compact and PortableCompared with other traditional multimeters, this pen-type multimeter is smaller in size, more powerful, and more suitable for carrying around. Easy to useUse the "Func" key to switch the measurement mode, and use the "H" key to hold the data. The backlit LCD screen ensures clear readings in dark or bright areas. A flashlight below the red probe helps you work properly in dark or low light environments. Phase sequencehas a unique phase sequence detection function. When the "PA" mode is turned on, the operator can detect whether the phase sequence is clockwise or counterclockwise.