Wide application - The AstroAI M4K0R Multimeter accurately measures AC/DC voltage to 600V, Current to 10A, Resistance to 40MΩ. You can use it for continuity test, diode test, battery test and live wire test. Includes 1.5V, 9V and 12V battery test modes to easily test a wide variety of batteries. Multimeter light turns red for low voltage and green for enough voltage. Non-contact- Fully safe non-contact voltage testing with sound and light alarms. You can detects AC voltage without the use of test leads. Uses NCV function:When the Meter senses a strong AC signal, the red indicator light will turn on and the buzzer will emit a quick beep. Thoughtful design - Support Data Hold, Max, Auto Shut-off, low battery indicator and continuity buzzer. Includes Convenient features like Audial and Visual Alarm, LCD Backlit Screen and Flashlight make it easy to use. Two 1.5V AAA batteries are included in the package. Ensures safety- Double ceramic fuse is anti-burn and protects from overloading. The multimeter has passed overvoltage category III 600V safety standards. The silicone cover is able to protect the multimeter from failing damage and prevent electric shocks. Additional tips - This Multimeter is designed to troubleshoot a variety of automotive and household electrical problems safely and accurately. It's a suitable tool if you want to do some household or commercial improvements whether DIYers or Hobbyists.