1.The battery is not included in the package. 2.This is a traditional thermometer without APP functionality. Feature: 1. Top domestic sensor suppliers provide sensors. 2. Intuitive Comfort Indecator show the indoor environment. 3. Clear reading: Large screen features large numbers, allowing easy readability. 4. Real-Time Monitor environment change. 5. Application: Suitable for office, bedroom, living room, bathroom, school and more. Product Parameter: * Power Supply: CR2032(NOT included) * Temperature Measure Range: -9.9-60 * Temperature Accuracy: ±1 * Humidity Measure Range: 0% RH~99% RH * Humidity Accuracy: ±5% RH RealTime Monitor Environment Change Baby is more vulnerable to be affected by the environment change you can realtime monitor the changes and ajust the indoor environment,care for the family health. High-Precision Chip More Accurate Measurement Built-in high-precision digital temperature and humidity sensor can quickly discover changes in temperature and humidity,remind your family in time. MultipIe Usage Options It can be placed on the table, attached to the wall,or hung on the door. NOTE:The lanyard is not inside the package. and Switch Pre the reset button once the temperature unit will switch. Intuitive Comfort lndicator shows the indoor environment When you are not aware of the slightest change in the weather,sensitive children and the elderly may already be cold ,using intuitive expreions to help you easily understand the comfort level. Product Presentation Application Scenario