Round DC 4-100V LED Digital Display Circular Two-wire Voltmeter DC Digital Voltmeter Head Display Reverse Connection Protection

Features:1. Ultra-thin mirror2. Circular opening3. Easy to install4. Reverse polarity protection5. Reverse connection does not burnSpecification:Measuring range: 4V-100VPower supply range: 4V-100VMinimum startup: 3.8VAllowable error: ±1%Input impedance: >100K ohmsOperating current: red Refresh rate: about 300mS/timeDisplay mode: three-digit circular LED digital tubeDisplay color: red, green, blue optionalLead length: 20cmDimensions: Diameter 33.8mmHole size: diameter 30.0mmWorking temperature: -10℃~65℃Note: Input voltages higher than 100V may be permanently damagedShipping list:DC Digital Voltmeter*1

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