This handy 2-in-1 black Wristwatch AND Thermometer is perfect if you like to keep track of the time, and your body temperature. The soft-touch material being both comfortable and durable, it's very useful for the individual who works outside and wants to help make sure they stay cool, the very active exercising individual, or even for someone who's always wondering what the weather is. Note that you shouldn't solely or primarily use this to diagnose disease, and high temperatures should be checked with a secondary source like a medical-grade thermometer. It is one size fits most and features an adjustable wristband with a plethora of adjustment sizes. The LED screen displays red text for the time and temperature readings and can be adjusted with a small button beneath the display, press and hold this button to switch between degrees Celcius and Fahrenheit. Features a 55mAh battery capable of going up to 30 days between charges. The watch charges with an included USB cord. Usage instructions are included inside the packaging, which is a hanging box, along with the watch-thermometer.