It is s Three Wire Red Electronic Voltage Panel Meter ,Power Supply: DC7-30V,Measuring Range 0 -100V, It has Reverse polarity protection, small size, high efficiency, long term stable and reliable quality,easy installation and use.

Application: Motorcycle, Car, E-bike, ATV, Scooter, industrial equipment,and DIY etc.

Feature:

• Display: 0.4″ LED digital tube;
• Refresh rate: about 200mS / times;
• Range: 0-99.9V
• Working current: < 20 ma
• Display: 0.28 “LED
• Installation dimensions: 30 * 11.7 * 11.7 mm
• The installation hole: 23 * 10 mm
• The accuracy of measurement: 3 ‰
• Display Color: Red
• Input Polarity: DC voltage;
• Input impedance: 100Kohm;
• Power Supply: DC7-30V;
• Operating temperature: -40°c-85°c

Wiring:

• Red: Power Supply +
• Black: Power Supply -, Measure –
• Yellow: Measure +

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