CubeSensors Air Quality Monitoring Cubes for 2 Rooms Easily keep track your home's temperature, humidity, air quality (VOC), light, noise and barometric pressure from anywhere in the world All measurements are updated once a minute, and streamed to a web app that works on iOS and Android devices and most modern computers 2 rechargable Cubes included, each Cube can track one room; you can place one Cube in your bedroom and the other in the living room or a second bedroom Get instant feedback about the health of the room you're in by shaking the Cube; a red glow means something could be improved, a blue glow means everything is ok The pack includes everything you need for set up, including a Base station, which connects to the internet via ethernet and has to be online to collect measurements from nearby Cubes