Powered by a solar cell, it works maintenance-free. An integrated energy store allows operation for several days in total darkness. In dark surroundings, a coin cell battery can be retrofitted.
The small housing can easily be mounted to vertical walls or furniture using the included adhesive pad. Using the included metal stand the sensor can be positioned on horizontal surfaces. One end cap can be replaced by the enclosed lodge cap.
ETHSx periodically measures the temperature and humidity of its environment. Significant changes in readings are reported immediately. In addition, frequent updates (signs of life) are provided at regular intervals.
