Measuring range: body temperature: 32 ºC - 43.9 ºC (when the temperature is lower than 32 ºC, display "Lo"; when the measured temperature is higher than 43 ºC, display "Hi")
Measuring distance: 1cm-5cm
Power supply: DC3V, two AAA alkaline batteries
Low battery prompt: when the battery voltage is low, the battery symbol flashes or only the battery symbol is displayed
