Neoteck Non Contact AC Voltage Tester Pen, 12 1000V, LED Flashlight, Buzzer Alarm for Live/Null Wire Judgment

【CE CAT III600V RoHS Certificate Voltage Tester】 Neoteck professional AC voltage detector is safely double insulated. High Voltage Alert to warn you of voltage, the bright LED flashes and the buzzer alarms aloud, perfectly suitable for DIY'ers, hobbyists and homeowners, which helps you make the First and the Most Important Safety Check.( Note Please: Not Suitable for Christmas Light Testing) 【Smart Auto-Sensitivity Tester】 Features intelligent automatic selection across 3 sensitivity levels (High, Medium, Low) to detect 12V-1000V AC. The upgraded NCV sensor dynamically adapts to current strength, making it easier to distinguish live and null wires even when neighbouring, ensuring safe, flexible measurements. 【Non-Contact Voltage Tester with LED Indicator】 With NCV inductive probe for AC voltage; just place the tip near a terminal strip, outlet, or supply cord, which can tell live and null wire without safety problem. When it automatically distinguishes them, the buzzer and LED light will flash slowly for Null Wire, and flash quickly for Live Wire. 【Quick Break Point Testing】 What’s more, this voltage tester pen can work as a perfect wire breakpoint finder. With its automatic sensitivity detection during testing, it could help you find the breakpoint quickly and let you know the electrical problems, handy voltage detector for electricians, homeowners. 【Compact Design with LED Flashlight】 Neoteck electric tester comes with bright LED flashlight, enabling you to work in dim areas. Automatic Power Off without operation to ensure longer working time. Low-power-indicator to let you know the battery status quickly. Compact and pocket-sized with pen hook allows you to carry it in your shirt pocket.