Voltage Tester Pen, Non-Contact Voltage Detector Pen

• 【Non-Contact & Dual Range Detection】 haefan voltage tester pen safely detects AC voltage from 12V to 1000V and 48V to 1000V without direct contact. Press the S button to switch sensitivity for various applications like doorbells, thermostats, and standard outlets.Note: This product does not come with batteries. Please bring 2 AAA batteries of 1.5V each.
• 【Visual & Audible Alarm】 When voltage is detected, the tip glows red and the buzzer sounds. The higher the voltage or closer the source, the faster the beep and brighter the LED, ensuring clear and immediate warnings for your safety.
• 【Live/Null Wire & Breakpoint Finder】 Easily distinguish between live and neutral wires by sensing signal strength. It also acts as a wire breakpoint finder, helping you locate electrical issues quickly and accurately in your home or workplace.
• 【High Safety Standards】 CE certified and rated CAT III 1000V / CAT IV 600V, this electrical tester features a robust double-insulated ABS housing, providing reliable protection for both professional electricians and DIY enthusiasts.
• 【Compact Design & LED Flashlight】 The pocket-sized pen clip design allows for easy portability. A built-in bright LED flashlight illuminates dark workspaces, while the 5-minute auto power-off function conserves battery life.

Upgrade your electrical toolkit with the haefan Non-Contact Voltage Tester Pen, designed for ultimate safety and precision. Whether you are a professional electrician or a homeowner tackling DIY projects, this dual-range (12-1000V) AC voltage detector is your reliable partner for identifying live and neutral wires, finding breakpoints, and testing circuits. Featuring intelligent auto-sensitivity, the tester provides clear visual and audible alarms. The red LED and rapid beeping indicate high voltage, while the green/yellow light and slower beeps indicate low voltage or neutral wires. Its robust double-insulated construction meets CE, CAT III 1000V, and CAT IV 600V safety standards. Designed for convenience, the compact pen shape fits easily into your pocket. The built-in LED flashlight ensures visibility in dimly lit areas like distribution boxes or wall corners. With a low battery indicator and a 5-minute auto-shutdown feature, the haefan voltage tester is always ready when you need it.