Precautions

There is high-voltage on PCB on this voltmeter's back, it is dangerous to touch PCB and components. So we suggest that electronic enthusiasts and ordinary consumers don't use this, please be careful when purchasing.

This voltmeter use capacitance to reach voltage step-down, it can't used in inverter, Electronic speed governing, silicon controlled voltage adjusting dimming, UPS and other occasion with radio-frequency component and non-sinusoidal wave, or it will be bumt and doesn't work normally.

This voltmeter didn't do moisture-proof, waterproof, shockproof, anti-oil processing, please be careful or handle by yourselt when using.