1 measuring temperature range: 32.0 C ~42.0 DEG C shows a resolution of 0.1 DEG C 2 the use of environmental temperature: 10 DEG C ~ + 40 DEG C and a humidity is less than or equal to 93% 3 storage environment temperature: -20 ~55 15%~90% no corrosive gas ventilation good indoor 4 measuring accuracy: Plus or minus 0.2 DEG 35.5-42.0 DEG C /0.4 degrees Fahrenheit (95.9-107.6 degrees Fahrenheit) Plus or minus 0.3 DEG 32.0-35.4 DEG C /0.5 degrees Fahrenheit (89.6-95.7 degrees Fahrenheit) Plus or minus 0.3 DEG 42.1-42.9 DEG C /0.5 degrees Fahrenheit (107.8-109.2 degrees Fahrenheit) 5 display mode: Digital LCD display 6 power supply voltage: 3.0V DC 7 battery life: 1 batteries can be used continuously for more than 1000 times 8 the working temperature and temperature: temperature: 10 DEG ~+40 DEG humidity: less than 93% 9 memory: with the display of the previous record of the function 10 infants or adults are applicable to 11 buzzer: when the temperature of the measurement is more than 38 degrees Celsius there will be a prompt tone 12 the latest electronic type of infrared head detection head waterproof design easy to clean can be used with cotton or paper dipped in alcohol or water gently wipe the probe. Users do not have to worry about the generation of cross infection 13 no wave guide design 14 energy saving design: 60 seconds without operation ear thermometer will automatically shut down