Suresign Digital Thermometer Suresign Digital Thermometer measures body temperature with professional accuracy in just 30 seconds. Suitable for oral, underarm or rectal use, it can be used for all the family, including babies & children. Suresign Digital Thermometer is waterproof & has a flexible tip, ensuring that is safe & comfortable to use. It has a large display for easy reading of results as well as an automatic recall of the last measurement so you can easily spot a change in temperature. Suresign Digital Thermometer beeps when the temperature has been measured & also features a separate fever alarm which beeps when the temperature is 37.8C or above. This is the threshold which usually indicates fever or illness. Suresign Digital Thermometer is fully CE marked & manufactured under international ISO13485 Quality Management Standard.