Non-Contact Voltage Detector, AC Voltage Tester 12-1000V with Adjustable Sensitivity, Flashlight and Audible Alarm, Neutral/Live Wire Testing and Firewire Zero Line Detection

【Non-Contact Voltage Detector】 - The insulated housing of the voltage detector ensures safety. Tests can be performed without physical contact, and the isolated operation guarantees safe testing. 【Portable Pen-Shaped Design】 - The voltage detector pen features a pen-shaped design with a clip. It can be easily clipped to your pocket and many other places, allowing you to keep it handy during repairs and simplifying your work. 【Adjustable Sensitivity】 - The sensitivity is adjustable, making the measurement more sensitive and flexible. Press the S button for 3 sensitivity settings. One beep indicates low sensitivity, two beeps indicate medium sensitivity, and three beeps indicate high sensitivity, allowing you to adjust the sensitivity as needed. It meets a wide range of needs in residential, commercial, and industrial environments. 【Audible Alarm and Safety Light】 - Distinguish between power on and off with different alarm frequencies. The higher the voltage, the more frequently the audible alarm will sound and the LED will flash. The white LED flashlight helps illuminate work areas in the dark. 【Note】 - Range: 12-1000V AC 50/60Hz EN61010-1/1000V. The pen requires two AAA batteries to operate; for safe transport, our pen does not include batteries.