The Thermo-Hygro Sensor 30.3312.02 in white plastic is compatible with the WeatherHub SmartHome System and the Observer Web Monitoring System. It measures temperature in the range of -40 °C to 60 °C and humidity indoors or outdoors from 0 to 99%. Data can be accessed anytime and anywhere via a smartphone. Alarm thresholds are adjustable, and push notifications are sent for alarm events. Additional features such as graphs, overviews, a max-min function, and data export are available. The memory can store data for up to 90 days, and the accuracy is ±3%. The device is operational only in conjunction with the Weather Hub Gateway. It requires 2 AA batteries, which are not included in the delivery. The dimensions are 2.4 x 4.4 x 16 cm, and the weight is 80 g.