1.Efficient Electrical Measurements: Utilizes NCV sensor innovation and stable inductive sensitivity to provide accurate, contactless voltage testing with a wide AC range of 12 1000V, enhancing safety and versatility 2.RealTime Voltage Monitoring: The device features visual/audio alerts alongside a dynamic LCD percentage display, offering instant feedback through frequencyvoltage correlation and intuitive risklevel color coding 3.Precision Adjustment: Experience accurate voltage testing with sensitivity adjustment and autovoltage recognition, ensuring compatibility with lowvoltage systems while offering an intuitive strength display 4.Secure Voltage Testing: With an overvoltage alert and robust doubleinsulation structure, the tester ensures enhanced safety, injury avoidance, and consistent performance for electrical inspections