12-24V Digital LED DC Voltage Monitor Voltmeter Battery Capacity Percent Tester

• Working voltage: 12-24V DC
• Measuring range: 6-30V DC
• Display: digital LED
• Display color: RED / BLUE / WHITE / GREEN
• Material: ABS
• Waterproof
• With switch button : long press for turn on/off , short press for switch display mode between voltage and capacity percentage
• Package included: 1 * voltmeter