This LCD electroprobe is a great product to test voltage. It is so mini that you can take it to any place. The Digital Voltage Detector is directly or indirectly test AC or DC voltage from 12V to 250V. Comfortable handle for working efficiently and safety. Pen shaped LCD Voltage Tester with a clip is portable for carry in your pocket. It tells you which is hot (fire), which is cold (ground), and amazingly, no battery needed! Test grounding and broken lines as well. LCD Voltage Detector with Direct Test, and Induction / Break-Point Test two buttons.

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