Main Features:Perfect for taking baby's temperatureDisplay glows and beeps when completeSilicone orthodontic nippleAuto power off when not in useFever alert glow featureMemory feature recalls previous temperatureCelsius or Fahrenheit optionPediatrician approved Specifications:Measuring range: 35.5- 42.0 deg. CAccuracy: 0.1 deg. CPower supply: 1 x 1.5 V button cell (included)Measuring time (for reference only， according to different people have different): 2 minutesProduct weight: 23 gPackage weight: 40 gProduct size (L x W x H): 6.2 x 4.5 x 4.0 cmPackage size (L x W x H): 7.0 x 6.0 x 6.0 cm Package Contents:1 x Baby Nipple Thermometer