Safety 1st Exchangeable Tip 3-1 Thermometer frees parents from worrying about cross contamination when using one thermometer for 3 different reading methods. There are 3 probe tips oral, underarm, and rectal that provide 5-6 second readings in all three modes. The fever alert and last memory recall provide parents with information quickly to help care for child. There is a storage bag to keep the tips and thermometer.