Voltage Tester, Non-Contact Voltage Detector with Adjustable Sensitivity, Dual Range AC 12V-1000V/48V-1000V Live & Null Wire Tester Pen with Visual and Audible Alarms, CAT III 1000V Rating

Enhance your operational safety with sound and light dual alarm system. When detecting low voltage, the green light on the screen flashes accompanied by a low-frequency beep ; when high voltage is detected, the red light flashes rapidly with a high-frequency beep.

Equipped with a non-contact design, this electrical tester pen ensures enhanced safety during electrical testing. Its insulated design and NCV (Non-Contact Voltage) sensor allow for voltage detection without direct contact, reducing the risk of electric shock.

Our non-contact voltage tester offers high & low adjustable sensitivity, allowing you to easily switch between different voltage detection ranges. Short press to select "High" sensitivity for a 12V-1000V range or "Low" sensitivity for 48V-1000V.

The automatic shutoff function powers off the tester after 3 minutes of inactivity or no signal, helping to save battery life ; low battery indicator provides a timely reminder to replace the battery ; pocket clip makes it to be easily attached to your work clothes or tool bag.