Car Temperature Meter Product Page: https://goo.gl/lBsdsJ The Car Temperature Meter gauge (Informer BL) accurately displays the temperature inside OR outside your car (one or the other). Teltek USA gauges are best in class and backed by over 20 years of design and manufacturing. Compatibility Any vehicle with 12vdc power Made in the USA and secured with a Lifetime Warranty Press button on gauge display to switch between Fahrenheit and Celsius Temp range: -50°F to 150°F (±1°F accuracy), Temp range Celsius: -45°C to 65°C (±0.5°C accuracy) 10' plug sensor cable for taking temperature reading (cable is easily replaced if damaged) Mounting: Comes with mounting bracket to screw gauge down, it may also sit on dash or in cubby hole. Easy installation instructions included Lifetime warranty, excluding abuse and sensor cable