The A&D Thermometer is a easy-to-use and digital compact thermometer, with a water resistant sensor that is robust and reliable.. The A&D Thermometer is a easy-to-use and digital compact thermometer, with a water resistant sensor that is robust and reliable. Features include: Soft, flexible tip for safer measuring A 60 second reading (Measurement time will vary by individual and method used) For underarm, rectal or oral use Thermometer will beep when measurements are complete Last temperature reading memory A water-resistant sensor Auto power off C / F conversion