Accessory to Wyze Home Monitoring System. Works with Wyze Sense Hub. Easily track temperature and humidity in any room using the Wyze app. Get alerts when temperature or humidity falls below or rises above your personalized limits. Up to 500 ft. of range from Wyze Sense Hub gives reliable connectivity even in distant rooms. Place anywhere with easy mounting and a sleek, compact design. 18 months of battery life means peace of mind without worrying about battery drain.