Stay safe and efficient with the “Voltage Tester Pen – Multi-Functional Smart Electric Tester”, designed for accurate, hassle-free electrical diagnostics. This intelligent tester pen can detect voltage levels, distinguish live and neutral wires, and locate line breakpoints, making it essential for professionals and DIY users alike.

Featuring high-brightness LED beads, it ensures clear visibility even under direct sunlight. Its pen-like design is lightweight, portable, and easy to use — perfect for everyday carry. Built with an advanced intelligent chip, it delivers faster, safer, and more accurate results while ensuring long-term reliability.

The durable chrome vanadium steel head offers superior strength and wear resistance, suitable for tough environments. Ideal for home repairs, automotive work, electronics, and appliance servicing, this tester suits both personal and professional needs.

The package includes 1 B11 tester pen and 3 LR41 button batteries, so you’re ready to test right out of the box.