LIMITED EDITION BLACK - Our highly-rated Wave Plus is now available in black. It offers the same great features and reliability with a dark matte finish. RELIABLE RADON RESULTS: As radon levels fluctuate daily, continuous long-term measuring is necessary. Airthings Wave Plus measures radon accurately and reliably CLEAN AIR SENSORS: Radon, Carbon Dioxide (CO2), VOCs (airborne such as kitchen gases, fumes and cleaning products), humidity, temperature and air pressure sensors allow you to gain full visibility into six key indoor air factors EASY AND CLEAR RESULTS: Wave in front of the device for a color-coded visual indication or connect via Bluetooth to the Airthings App for detailed insights into your air WHAT YOU GET: Airthings Wave Plus, 2 AA batteries, Quick Start Guide, Airthings Support and optional and free 5-year extended warranty to increase your standard product warranty. › See more product details