Features: 1.Smart Home: Detect changes in temperature and humidity to make life more comfortable. Release your hands with simple voice control. 2.Automatic Monitoring: Alarm with temperature and humidity sensors. Install an automatic alarm system in your house to ensure that your family is more safe and secure. 3.Application Remote Control: No matter where you are your home is warm as before. DIY intelligent scene. Real time perception of temperature and humidity changes and real-time report to smart phones. 4.Family Sharing: Share this product with your family members for common convenience. Support one mobile phone to control multiple devices or multiple mobile phones to control one device. 5.After-sales Service: If you have any problem please contact us immediately we will help you solve it as soon as possible. Specifications: Material: ABS Product Size: 7 * 2.4 * 1.9cm Battery: 2 * AAA (not included in the product) Detection Temperature: - 20 ~ 60 Working Temperature: - 20 ~ 60 Test Humidity: 0-100% RH Operating Humidity: Max 95% RH Notice: 1.Actual color may be slightly different from the image due to light effect. 2.Please allow 1-3cm deviation due to manual measurement. includes: 1 * Smart Hygrometer Thermometer "