The Safety 1st 3-in-1 Nursery Thermometer lets you choose the best way to check temperature when your child isnt feeling well. It can be used orally, rectally, or under the arm and beeps when the reading is complete. The flexible tip is more comfortable for baby during a rectal reading and features an over-insertion gauge that gives parents added confidence while checking for fevers, so that they can focus on helping baby feel better. The 3-in-1 Nursery Thermometer includes both a protective storage case and a long life battery. Safety 1st believes parenting should have fewer worries and more joyful moments. As the first and only leader in child safety, Safety 1st is here to give you peace of mind so you can spend less time worrying and more time enjoying every first you experience with your child.