This is a 3D HD digital environment(temperature and humidity) tracking free app.It is a humidity meter (barometer) that can track environmental conditions for up to 8 hours.
It uses these sensors:Ambient temperature sensor (Thermometer)Humidity sensor
These type of sensors are on devices such as the:Samsung Galaxy S5Samsung Galaxy S4Samsung Galaxy Note 3
For other phones without these sensors, the environmental conditions areextrapolated using other basic sensors in the device.
Settings:Celsius or FahrenheitOutdoor range: -15 to 40 Celsius (5 to 104 Fahrenheit)Indoor range: 12 to 34 Celsius (54 to 93 Fahrenheit)