The Smart Citizen Kit is an open-source package developed for monitoring the environment in a user-friendly way. The goal of the project is to allow anyone to collect environmental data, visualize it, and share it with others with very little hassle.
The device has sensors that measure:
air composition (CO and NO2)
temperature
light intensity
sound levels
humidity
Quantity: 1 pc
Source: Info and photo Acrobotic.com