Extech ET25 Neon Voltage Tester is a compact and easy-to-use voltage tester that can detect AC and DC voltages from 80 to 250 volts. It features a neon indicator light that glows when a live current is present. The ET25 is also double-insulated for safety and has a handy pocket clip for portability.

Applications: Troubleshooting electrical circuits and testing the voltage of batteries.