The ECOWITT WH45 5-in-1 PM2.5, PM10, CO, temperature and humidity air quality sensor.

Features as a standalone particle detection sensor

– Measures indoor PM2.5, PM10, CO2 concentration, Temperature and Humidity every 60 seconds when powered with USB or detecting every 10 minutes when powered with batteries only.
– USB connection for indoor use only
– CO2 value calibration function available on the device
– PM2.5 value Calibration function available when paired with GW1000/HP2551/HP3500/HP3501
– Long wireless range, up to 300 feet (100 meters) in open areas

Features when paired with a GW1000 Wi-Fi Gateway

– Monitor live sensor data on the Live Data page of the WS View app (requires the gateway and your phone using the same Wi-Fi network)
– Displays current PM2.5 / PM10 concentration/AQI and 24H AQI and air quality level index on the Live Data page of the WS View app
– Displays current CO2 concentration and 24H average CO2 concentration on the Live Data page of the WS View app
– Displays temperature and humidity data where the sensor located
– Calibration function available for PM2.5 value

Features when paired with a Weather Station Console (HP2551/HP3500/HP3501)

– The PM2.5, PM10 and CO2 data automatically scrolls displaying on the screen every 5 seconds
– Calibration function available for PM2.5 value

Features when uploaded to Ecowitt Weather Server

– View current sensor data & history records & graph on the website
– Set and receive email alerts from the server
– Remote monitoring with smart phone, laptop, or computer by visiting the website