Welcome to Mango217 Fashion Shop!!!Our goal is to meet your 100% satisfaction. If any questions or need assistance, you are welcome to contact us at anytime. The following is the normal body temperature of the reference values:Ear temperature: 35.7 - 37.5 ( C) Rectal temperature: 35.7 - 37.5 ( C) Axillary temperature: 34.7 - 37.3 ( C) Oral temperature: 35.5 - 37.5 ( C)But because the body's temperature with different ages and the environment, it will vary, so the above values are not absolute values, but the reference values only:0 - 2 years old: 36.4 - 38.0 ( C) 3 -10 years old: 36.1 - 37.8 ( C) 11 - 65 years old: 35.9 - 37.6 ( C) 65 years and older: 35.8 - 37.5 ( C)Package Include1 x IR Ear Thermometer1 x User manual