DC 0-30V LED 3-Digital Display Voltage Voltmeter Panel Motorcycle #01 Red LED Measuring range: DC 0V--30V. Input range: DC 4.5V-30V(Max Input: DC 30V. The device can be damaged if input is over 30V). Working Current: &lt; 23mA. Display Color: RED. Display: Three 0.56 "digital tube.