Airthings Wave Plus Smart Monitor Condition:* New Surplus Stock, In OEM Packaging. As Pictured.Additional Notes:* Sensors: Radon, CO2 , TVOC, Temp, Humidity & Air Pressure* Visual indicator: Red/Yellow/Green glow ring* Long Battery Life:* Bluetooth: 16 Months* SmartLink (Hub): 18 Months* Supports wall or ceiling mount* Free mobile app for iOS and Android* Web dashboard* Mobile notifications* Wireless Connection (Bluetooth or Airthings SmartLink)Airthings2930