5 Pack DC 5-120V Digital Mini Voltmeter 2 Wire 0.56 inch LED Display Panel Volta
Correct connection: Connect the positive pole in red and the negative pole in black. The smart chip responds quickly and has high precision: ±1 (100-120V), ±0.1 (3.00-9.99V), ±0.3 (10.0-120V). We’re happy to help you.24/7 live chat available.