Smart WeatherFlow Tempest Weather System is intelligently designed to save time, money, and energy and provide the most precise, local forecast available. The wireless system gives instant online access to weather data via free iOS and Android apps and protects your family and property with prompt alerts to warn of rain, lightning, wind, and much more. Its AI-powered weather app feeds real-time observed weather data from your backyard into a machine learning system to dramatically improve forecast accuracy. It comes with a 60-day money-back guarantee, 2-year, and 10-year extended warranty. ISP Supplies is a certified distributor of Tempest and other leading manufacturers, offering their certified Weather Monitoring Systems at the best affordable prices.