Product Description Product Name: non-contact frontal temperature gunBody temperature: Adults, children, infants and young childrenPower supply voltage: 3V(2 AAA alkaline batteries No. 7)Measurement range: body temperature mode 34 ºC-42.9 ºCMeasurement accuracy: 34 ºC-34.9 ºC: 0.3 ºC35 ºC-42 ºC: 0.2 ºC42.1 ºC-42.9 ºC: 0.3 ºCThree-color backlight: 34 ºC-37.3 ºC: Green37.4 ºC-38 ºC (set value 0.1 ºC): yellow38.1 ºC (set value)-42.9 ºC: RedMeasuring distance: 1-3cm