TP-Link Tapo T315 Smart Temperature and Humidity Monitor | Requires Tapo Hub | 2.7" E-Ink Display | Swiss-Made Sensor | Long-Lasting Performance | Real-Time Notification | Visual Graphics: .Previous pageNext pagee-ink Display E-Ink vs Backlit DisplayHigh-Accuracy SensorThe built-in Swiss made sensor provides highly accurate data every 2 seconds for the most current and correct temperature and humidity information.Previous pageInstant App AlertsReceive instant app notification