Thermometer0-2 Age Normal temperature : 36.4 C-38.0 C 3-10 Age Normal temperature : 36.1 C -37.8 C 11-65 Age Normal temperature : 35.9 C -37.6 C> 65 Age Normal temperature : 35.8 C ~37.5 CNon-contact ThermometerAnimal model temperature range 32.0~45.0 C Hum model temperature range 32.0~43.0 C Object mode temperaure range : 0~100C Animal temperature measurement model accuracy : +-3C Optimum measuring distance : 5CM ( 2 inches )Display resolution : 0.1C Operating environment humidity : 10~35C Relative humidity <= 80%The battery 3V (AAA1.5V*2 Not include )Specifications : 141x60x46mmweight :63g (Do not contain batteries)Thermometer ContactlessThe temperature will vary depending on the ageskin tone, skin thickness and where it is measured. Normal temperature range for different age groups3- in-1 ThermometerAn animal's body temperature varies with the time of day and is also affected Other external conditions such as cold, hot. dry. etc.