Features: <br>This DC voltage meter is small in size, compact design. <br>It can measure and show voltage, the measuring range is 0~100V DC. <br>The voltage meter uses 0.28inch 3-digit LED display, clear to read. <br>There are 3 wires, easy to connect; it supports reverse input protection, will not burn out. <br>Widely used for kids' cars, electric bikes, motorcycles to monitor battery voltage, and many other voltage metering purpose. <br> <br> <br>Specification: <br>Color: Red, Yellow, Green (Optional) <br>Metering Range: 0-100V <br>Working Voltage: 4-30V <br>Working Current: <30mA <br>Operating Temperature: -10~65℃ <br>Test Accuracy: 3% <br>Power Supply: If test voltage is below 4V or over 30V, it will need independent power supply, power supply voltage is 4V-30V) <br>Certificate: CE ROHS <br>Size: 3*1cm/1.2*0.4in <br>Weight: Approx.9g/0.3oz <br> <br> <br>Package list: <br>1 * Voltage Meter<br>1、This DC voltage meter is small in size, compact design. <br>2、It can measure and show voltage, the measuring range is 0~100V DC. <br>3、The voltage meter uses 0.28inch 3-digit LED display, clear to read. <br>4、There are 3 wires, easy to connect; it supports reverse input protection, will not burn out. <br>5、Widely used for kids' cars, electric bikes, motorcycles to monitor battery voltage, and many other voltage metering purpose.