Unique new design fits comfortably in mouth. 30-second oral measuring time. Tone sounds when peak temperature is reached. Memory recall of last reading. Professional accuracy. Fahrenheit/Celsius switchable. Automatic shut off. Water Resistant. Fever alarm when temperature is greater than 100?F. Includes: storage case, long-life battery, 5 probe covers and English and Spanish instructions. 1-Year Limited Warranty. Available in a Family 4-pack with Pink, Yellow, Blue, & Green Thermometers or a Single Green Thermometer.