About the product1. Brand new and high quality. 2. Skin-friendly and breathable medical materials arm band. 3. Length: 14-19cm suitable for children aged 0-3. Exclude excess heat and moisture， does not cause skin allergies. Elastic bandage will not hurt the baby's arm. 4. Exquisite craftsmanship and design， especially designed for babies. Plating design， the battery is not falling. 5. Two-color injection molding， white matte texture of the shell with a warm color embellishment. 6. 24h always care the baby's temperature， 24h continuous temperature measuring， you can sleep peacefully at night even baby has fever. 7. The right to wear the temperature probe placed under the armpit. 8. Fit for Android 4.3 above & iOS phone. 9. Multi-function: Thermometer; Temperature Alarm; Medical Records; Health Management， Cloud Backup.