Nooku Mini Indoor Air Quality Monitor is the smallest, most compact air quality monitor with 4 key metric measurements; Humidity, Temperature, Volatile Organic Compounds (VOCs) and Nitrous Oxide (NOx). The monitor is Wi-Fi and Bluetooth connected. Create a whole home or office solution. Easily connect with any other Nooku devices to create a multi-room solution, and monitor your whole home without the need for additional hubs.