NOTE: ANDON doesn't come with batteries. MIJIA comes with batteries. Xiaomi Mijia / Andon iHealth LED Non Contact Digital Infrared Forehead Thermometer, Body Thermometer for Baby Kids Adults Elders • Xiaomi Mijia / Andon -  iHealth Thermometer  • Non-contact design, safer and more hygienic to use • Quick to get data for just 1 second, smart and convenient • Adopt advanced German Heimann sensor for accurate detection • Large LED digital display with clear data, easy to use for the elderly and children • With vibration reminder to remind user to read the data with no noise • Comfortable handle, easy operation • Powered by 2 x AAA batteries Specifications: - 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 - Brand: Xiaomi Mijia / Andon - Material: ABS - Accuracy : +/- 0.2 Deg.C ( ranged 35 – 42 Deg.C ), +/- 0.3 Deg.C ( other range ) - Resolution Support: 0.1 Deg.C - Package Weight: 0.187 kg - Product Size (L x W x H): 13.70 x 3.40 x 3.90 cm / 5.39 x 1.34 x 1.54 inches - Package Size (L x W x H): 20.00 x 15.00 x 8.00 cm / 7.87 x 5.91 x 3.15 inches - Package Contents: 1 x Non-touch Infrared Thermometer, 2 x AAA Battery