The Safety 1st Fever Light Ear Thermometer delivers a fast, one-second temperature reading, providing parents with crucial information quickly. Its large digital display is complemented by the unique Fever Light bar, which illuminates in red to provide an immediate visual alert for a fever. The device can recall the last 12 readings, helping to track temperature changes over time. For consistent accuracy, a 'Clean Me' reminder ensures the probe is ready for each use. Capable of displaying temperatures in both Fahrenheit and Celsius, it also includes a protective cap for clean and safe storage.