Features: Combines a digital thermometer and clock in one compact device to provide your car with essential temperature readings and accurate time. You can set your own hours, minutes, dates and temperatures to make sure it meets your specific needs (Attached setups manual). Switching between Celsiuses and Fahrenheits to suit your preference, with temperature ranges of -9.9C to 70C (-14F to 158F), providing accurate readings in a variety of climates. Made from quality ABS materials, digital clocks are built to last, providing durability and safety in a variety of settings. The LCD's blue backlights provides excellent visibility, allowing you to check time and temperature even in low lights conditions. There are two way to use, method1: press the switching to activate the LCD blue backlights display, which will automatically turn off after three seconds to save power. Method2: continue to press the switching for three seconds, the backlights can be maintained for four hours, extending visibility. With its small, portable designs, this 2 in1 car digital thermometer clock can be easily carried and used in motorcycles, bicycles, offices, car, lockers, and more. Specifications: Material:Plastic Size:Approx.7x2.8cm/2.76x1.1in Power:CR2032 3V(Included) Package Includes: 1xDigital Thermometer Clock note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.