Omron MC-246-E EcoTemp Basic Digital Thermometer The Omron MC-246 digital thermometer offers a safe, accurate and quick temperature reading. Fast 60 second readings and last reading recall can help get the information required, quickly and accurately every time. Features: Fast 60 second readings Professional accuracy Last reading recall Water resistant Beeps when measurement complete Automatic shut-off Readable in Celsius and Fahrenheit Oral, rectal underarm use Powered by LR41 button battery Omron s electronic digital stick thermometers are MERCURY FREE.