Voltage Rating: 12 Volts， 12v DCDiameter of Gauge: 2 1/16"， 52mmSurface color: SilverBackground Light Color:NoneGauges and Pods are all manufactured by a professional factory in China.All with good quality and perfect combined.One year warrantyItem located in USA.FAST shipping provided.we only post to USA for this moment.if you want to receive this package in another country.please contact us and we will provide you another listing that item located in China.thanks for your trust!WARNING: these gauges only used in a car that with a petrol engine!!!package include::Adjustable single 2" black pod 1PCSA/F Ratio gauge(0~18.8ratio) 1PCS