Smart temperature and humidity sensor to track your home's climate from your phone. Humidity and temperature impact your personal health and comfort. Check real-time readings from anywhere with the app. The built-in Swiss-made sensor features 3%RH, 0.3C accuracy with data updates every 2 seconds. Receive instant app notifications when levels fall outside your customised ranges, allowing you to react promptly to sudden air condition changes. The sensor automatically turns on/off compatible appliances such as heaters, fans, and humidifiers to adjust room comfort and save on energy bills. Enjoy up to 2 years of cloud data logging and storage, with the option to export all data to a CSV file for review. Thanks to low-power wireless technology, the monitor offers up to 2 years battery life with a replaceable CR2450 coin battery. Designed small and stylish, the sensor can be hung with its lanyard, mounted to walls with adhesives, or attached to metallic surfaces with magnets, all included. Experience your next-level smart home with all devices managed in a single app. | TP-Link Smart Temperature & Humidity Monitor in White