Measurement range: Body temperature: 32.0 ~ 42.9 ° C / 89.6 ~ 109.4 ° F; Material temperature: 0 ~ 100 ° C / 32 ~ 212 ° F Measurement Accuracy: Body temperature: 35 ~ 42 ° C ± 0.3 ° C, 35 ~ 42 ° C ± 0.2 ° C; Material temperature: ± 1 ° C Operating environment: 5 ï½ 40 ° C / 60.8 ï½ 95 ° F,Relative humidity â¤85% Storage conditions: -25 ° C ~ 55 ° C / -13 ~ 131 ° FRelative humidity: â¤90 % Measurement method: Non-1-10cm Measurement time: 0.5Sh Automatic shutdown: 20s after no operation Material: ABS plastic electronic component Battery model: 2 * 1.5V (2 AAA alka product does not include a battery)Package Contents:1 X Non-Forehead Infrared thermometer