Features: Car Digital Inside And Outside Thermometer Brand New Measures and displays the temperature(Celsius) in your vehicle as well as the temperature outside Works with 12V vehicles Plugs into your car's cigarette lighter charger for Smart black casing enhances your car's interior LCD digital display, easy to read Specifications: Power Supply: 12V Casing Color: Black LCD Color: Blue Internal Temperature Range: -20~+70 External Temperature Range: -50~+70 Battery: 1 x AG10 button Cell Battery (Not Included) Dimension: 7.6x3.4x1.5cm/3x1.34x0.59"(LxWxT) Cable Sensor Length: 1.5m Quantity: 1 Pc Note: Please allow 1-3mm error due to manual measurement.pls make sure you do not mind before you bid Due to the difference between different monitors, the picture may not reflect the actual color of the item.Thank you! Package Contents: 1 x Car Inside Outside Thermometer