Features: 1.Non-contact infrared thermometer is useful for measuring temperature under many circumstances, also healthful for multiple users 2.Quick to get data for just 1 second, smart and convenient 3.Adopting advanced German Heimann Sensor for accurate detection 4.Concealed LED digital display with clear data, easy to use for the elderly and children 5.Powered by 2 x AAA battery (not including) Specification: Host size:137mmX34mmX39mm Screen size:25.7mmX19.1mm Product Type:FDIR -V14 Product weight:90g Measuring position: forehead Measuring distance: 3cm and less Power source: DC 3V, 2 x 1.5V AAA battery Measuring accuracy: +/- 0.2 Deg.C ( ranged 35 - 42 Deg.C ), +/- 0.3 Deg.C ( other range ) Resolution ratio: 0.1 Deg.C Clinical repeatable: +/- 0.3 Deg.C Operating environment: 16 - 35 Deg.C, 85pct RH and less, 70 - 106kPa Note: As battery is quite difficult to ship, so we will take out the battery. Pls note this. Package included: 1*thermometer 1*Warranty Card(only in Chinese) 1*Manual(only in Chinese) 1*Quick guide(only in Chinese)