Buzz and Mute ModeBeep and mute mode selection, battery low voltage and measuring voltage out of range prompt. During continuity test, there are beeps and LED light prompts. It should NOT be used with 110V electrical systems.
Built-in Lighting This digital electrical voltage meter built-in flashlight, which is convenient for working at night or in dark environment. LCD displays voltage and frequency. And full-function measurement LED light indication.
Customer ServiceWe provide 6-month worry-free warranty and friendly customer service. If you need technical support for the voltage tester and have any questions about the order, please feel free to contact us and we will handle it within 24 hours.