Description This irem is a car cigarette lighter plug thermometer voltmeter, This gauge will precisely monitor the temp within a range of -10 to 80 celsius. This series is fully electronic with a blue and red digital LED readout, which allows for easy viewing. It includes an temperature sensor with all necessary mounting and installation hardware. Features - Shell color: Black; LED color: Blue, red. - Material: plastic, metal. - Size: 40*75mm (Diameter*Length) - This gauges will precisely monitor the temp within a range of -10 to 80 celsius. - This series is fully electronic with a blue digital LED readout, which allows for easy viewing. - Each gauge includes an temperature sensor with all necessary mounting and installation hardware.Package list: 1 * 2-in-1 12-24V Car Cigarette Lighter Plug Voltmeter Temperature Gauge (Red+Blue)