1.show exact digits ï¼?0.1 2.storage temperatureï¼? -20 to 55 3.ambient temperature: 5 to 40 optimum temperature 25 4.relative humidity: 85ï 5.power: DC 3V 6.specifications: 153*97*42mm 7.weight: 110g 8.body temperature: 32.0-42.9 9.measuring distance: 5-15cm the best measurement is 5cm 10.automatic shutdown: about 20 seconds