Measurement of body temperature: oral, axillary and rectal method. Precautions: The battery is not rechargeable. Do not hit the thermometer, it is not resistant to shocks. Do not boil the probe, clean it with a dry cloth and then with alcohol. Do not expose the thermometer to sunlight or high temperatures. Do not bend the thermometer. Do not attempt to disassemble the thermometer except to change the battery. Do not bite or stretch the thermometer. When using the thermometer orally, underarm or rectally, do so gently, without using force or bending the device.