Features:<br> Multi-function car LCD digital display.<br> With car charger, and can real-time monitor temperature and car voltage.<br> To ensure the safety of your car.<br> Easy to install,no needed the professional skill.<br> Voltmeters are widely used in automobiles, motorcycles, bicycles, test equipment, voltage regulators, etc.<br> <br> Specifications:<br> Material:Plastic<br> Voltage: 12/24V<br> USB output: 5V 2.1A<br> Color:Green,Blue,Red<br> Size:Approx.4.5x7.5cm/1.77x2.95in<br> Net Weight:46g<br> <br> Note:<br> Please allow 1mm errors due to manual measurement.<br> Due to the difference between different monitors, the picture may not reflect the actual color of the item.<br> <br> Package includes:<br> 1x Multifunction Voltmeter