The Omron Flex Temp Smart Digital Thermometer is a very accurate thermometer for measuring in the anus. Especially in babies, it is important just in case the possibility to have to measure the temperature. We have several forehead and ear thermometer used and all are very imprecise, even the really expensive. The best option is still in the Po and as you have to just be very careful in babies as they move sometimes. a flexible thermometer is because the only sensible option.