Easy to OperateA1 fully automatic anti-scalding intelligent digital multimeter, easy to operate, easily check out circuit faults and troubleshoot wiring. Power on direct measurement of AC and DC voltage resistance and on-off without changing gears. The tip of the head automatically senses the zero and fire wires. It is a smart and convenient test method. Multi-FunctionThis versatile digital multimeter accurately measures AC-DC current, AC-DC voltage, resistance, continuity, frequency, breakpoint detection, ambient temperature, zero-fire wire recognition. Suitable for electrician test, household use, automotive, industrial electrical problems. Multi-FunctionThis versatile digital multimeter accurately measures AC-DC current, AC-DC voltage, resistance, continuity, frequency, breakpoint detection, ambient temperature, zero-fire wire recognition. Suitable for electrician test, household use, automotive, industrial electrical problems. Non-Contact Voltage TesterWith NCV inductive probe for AC voltage; Just place the tip near a terminal strip, outlet, or supply cord. When the tip glows red and the pen beeps, you know there's voltage present. With LED Light & LCD DisplaySelf-contained LED light, easy to use in dimly light areas small, easy to carry. Lets you test efficiently and comfortably anywhere, indoors and outdoors, day and night. The dashboard can replace the battery. Handheld liquid crystal display digital multimeter, large screen display, clear reading, to meet your various needs. (2 Pcs 1.5V AAA batteries).