The Kinsa Smart Thermometer is the first-ever FDA-cleared, app-enabled thermometer available on the market. Using the power and processing of your smartphone or mobile device, the thermometer provides an accurate temperature reading in 10 seconds. And because it uses your smartphone’s processing power, it doesn’t require any batteries to work. Interactive screens create a fun, engaging temperature-taking experience for adults and children alike. The free Kinsa app lets you track symptoms, medications, notes and pictures for each member of your family, so you can share illness history with your doctor or pediatrician. Find more of great reviews about Kinsa Smart Thermometer.