The Motorcycle Car Blue LED Digital Voltmeter Waterproof Volt Panel Meter Gauge features a small， round shape with easy-to-read digital LED display， letting you know the exact battery voltage at a glance even when you are speed racing. It detects battery voltage at a range of 6-30V with high accuracy in real time， helping to extend the life span of battery and engine. High-strength plastic housing is tough and durable for long-lasting use. And it directly mounts to motorcycle or car without adding additional splicing or wiring. Click and buy now!                                    Features             Small， round shape with easy-to-read digital LED display<br> Let you know the exact battery voltage at a glance even when you are speed racing<br> Detect battery voltage at a range of 6-30V with high accuracy in real time<br> Help to extend the life span of battery and engine<br> High-strength plastic housing， tough and durable<br> Directly mount to motorcycle or car without adding additional splicing or wiring <br>                                                            Specifications             Material     Environmental Protection Plastic    <br> Dimensions     (1.46 x 0.98 x 0.75)" / (3.7 x 2.5 x 1.9)cm (L x W x H)    <br> Weight     0.53oz / 15g    <br> Color     Blue    <br> Power Supply     DC12-24V    <br> Measuring Range     6-30V    <br> Measurement Accuracy     ÷0.1%    <br> Operating Temperature     -10→-65→    <br> Input Impedance     100K       <br>                                                             Package Includes            1 x Digital Voltmeter <br>