Air Quality Monitor Indoor & Outdoor for PM2.5 ECOWITT WH41 PM2.5 Air Quality Sensor Monitor Indoor Outdoor - Accessory Only, Can Not Be Used AloneMatter, BAIVON Air Quality Tester Pollution Detector Meter for Home Office Car Travel
Know Your Air: this sensor measures PM2.5 concentration in the air(with high quality Honeywell HPM Series Particle Sensor) and allows you to take timely measures to keep the air quality within safe levels[Accessory Only, Can Not Be Used Alone]
Live Data on APP: requires a GW1000 WIFI gateway(sold separately) to connect to WiFi, after the WIFI configuration,the current PM2.5 concentration / real-time and 24 hours average AQI / air quality levels indicator(Good, Moderate, Poor, Unhealthy, Severe and Hazardous)can be viewed directly on the WS View App
Graph & History Records on the Website: supported to upload to our free Ecowitt Weather server(ecowitt.net) to view the PM2.5 and AQI data graph and download the history records on the website; it's recommended to add a shortcut of the website on the home screen of your phone for quick access
Support Monitoring Multi Locations: The GW1000 Gateway(sold separately) supports MAX 4 WH41 PM2.5 Air Quality Sensors. Note: Please download the latest WS View App and update the firmware to V1.4.6 to add multi-channels sensors; each new sensor will be recognized as a new channel according to the Power-on sequence
Indoor & Outdoor Air Quality Detector: IPx4 weatherproof design, suitable to use at home, office, car and other environmental testing; monitor the air quality anytime anywhere to be away from harmful of PM2.5