Product name - Infrared thermometer Measurement range - 35C ~ C Display resolution - 0.1 C (0.1 F) Accuracy - 35.0 C~42 C +/- 0.2C Measuring distance - 1cm~5cm Operating environment - Temp 10~40.0 C, humidity - 85% Transportation storage environment - Temp -20.0 C~-55 C, humidity 93% Power supply - DC 9V or 3V Auto power-off - 15 S Batteries indication - Low battery indication Backlight - High brightness backlight Dimension - 100*46*160mm Weight -125g (without battery)