Airthings 2347, View Plus Radon MonitorCondition:* New Surplus Stock, In Open OEM Packaging. As Pictured.Additional Notes:* Sensors: Radon, Humidity, Temperature* Display: 2.9 296128 pixels ePaper* Red/Yellow/Green Glow Indicator* Up to 3 years (depends on sensor interval and WiFi router)* Optional operation on USB cable (runs from batteries if removed)* Supports wall mounting or placement on table* WiFi or Airthings SmartLink (with Hub)* Bluetooth for on boarding and daily use configuration* Enabled when connected with WiFi and USB cable is plugged into device (Not Compatible with Wave Radon 1st Gen SN: 2900xxxx)Airthings 2347