The Google Nest Temperature Sensor is a wireless, battery-powered unit that is compatible with universal thermostats. It features a 2.4-inch display and can be controlled through an app. This sensor is designed for smart home integration with Nest products, offering built-in WiFi and thermal protection features. With a 1-year manufacturer warranty, it is sturdy in construction with porcelain white plastic material and waterproof resistance properties. It is a reliable choice for monitoring and controlling temperature settings in your home. SKU235-13