•LCD 4Digits, 23.5x11.5mm •Applicable: ear temperature, forehead temperature, ambient temperature, liquid temperature •Soud:3 tone •Memory: 10 sets memory for last measurement •Low battery indicator •Auto shut off: automatically off after no operation for about 10 second •Test time: 1 second •Switchable: celsius and fahrenheit switchable •Test Range: 0ºC(0ºF)~40ºC(102.2ºF)≤±0.1ºC(0.3 ºF) •Battery life: Approx1500 tests or 2 years