Friday Baby 3-in-1 True Temp ThermometerGet the temp, no butts about it! The 3 in 1 True Temp Thermometer for rectal, oral, or armpit use will be your fever fighting BFF. It delivers a 10 second quick read with an automatic second check, so you don't have to second guess. Plus the Parent Proof Stopper + LED lights makes tush temp checks worry free. 10 SECOND QUICK TEMP Get a quick reading of babys temp in just 10 seconds. THERMOMETER FOR ALL STAGES The thermometer can be used for all stages