The 5-Second Rectal Thermometer from Summer Infant makes taking baby’s temperature easier and quicker. Includes an over insertion guard so you know the thermometer is in the right place. Beeps when reading is complete and will glow red if the temperature registers at 99.9 degrees Fahrenheit or higher – indicating a fever is present. The Fever Alert™ feature makes it easier to get a quick visual reading, especially when taking a child’s temperature at night. * Red and green Fever Alert™ glow feature * Fast 5 second reading * Soft, flexible tip for added comfort * Beeps when reading is complete * Storage case included * Celsius or Fahrenheit option * Auto power off to preserve battery life