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 voltage detector's insulated housing ensures safety. Tests can be performed without physical contact, and the isolated operation guarantees a safe test. Portable Pen-Shaped Design - The voltage detector pen is designed in the shape of a pen with a pen clip. It easily attaches to your pocket and many other places, allowing you to keep it handy during repairs, making your work easier. Adjustable Sensitivity - The sensitivity is adjustable for more sensitive and flexible measurements. Press the S button to access 3 sensitivity settings. One beep indicates low sensitivity, two beeps medium sensitivity, and three beeps high sensitivity, allowing you to adjust the sensitivity to suit your needs. It meets numerous needs in residential, commercial, and industrial environments. Audible Alarm and Safety Light - Distinguish between live and dead components using different alarm sound frequencies. The higher the voltage, the higher the audible alarm frequency and the flashing light frequency. The white LED flashlight illuminates the work area in the dark. Note - Range: 12-1000V AC 50/60Hz EN61010-1/1000V. The Volt pen requires two AAA batteries to operate; for shipping safety, our pens do not include batteries.