Fever alarm: shows normal and high temperatures thanks to LED displays: green = all is well, red = fever alarm. The thermometer also has an audible alarm that starts at 37.8 °C. Flexible and waterproof: the device is water-resistant and extra flexible, perfect for rectal, oral, or axillary measurement of your baby or child Practical: equipped with an automatic stop and with the temperature display in °C and °F. The thermometer can be easily cleaned with water or a disinfectant solution. Memory function: shows the last measured value so you can easily track the evolution of body temperature. Safe: for your peace of mind and the safety of your family at home, this includes Beurer Thermometer FT 13, without mercury or glass