Features: 1. Wireless Smart Temperature Humidity Sensor - 230ft outdoor wireless transmission and low power consumption. Our long-range coverage allows it to be used in areas difficult for most residential Wi-Fi systems, such as basements, outdoor porches/patios, sheds, detached garages, even outbuildings far from your property. 2. Real-time Environment Monitoring - Be informed of the temperature and humidity 3. APP Remote Control - With the app that can display the current temperature and humidity, with the app, you can easily control your home environment by adjusting the home appliances connected to the app, such as the air conditioner to set the temperature or turn on the humidifier connected to the smart plug to promote the living environment. 4. Hub-Free - No hub required, simply connect our smart temperature and humidity sensor to your wifi router, and then add our devices to your home. With the smart app, you can use it freely without time and distance limits. 5. Large LCD Screen - Large LCD screen, with clear and large characters that are easy to read even from long distances. Elegant design with white round edges, good decor for your home.