WN1821 IOT Wi-Fi Weather Station, 4.9" LCD Display with Built-in CO₂ Detector and WN31(WH31) Multi-Channel Temperature/Humidity Sensor

Features: Indoor weather monitoring including carbon dioxide detection 4.9" LCD display & Built-in Wi-Fi gateway Time, temperature & humidity, barometric, CO₂ PPM Level Wi-Fi connecting, and upload to weather station servers (wunderground, weathercloud, weatherObservationswebsite) DC power supply, supports backlight brightness adjustment Overview of Display: ① Time ②Indoor Temp/Relative Humidity and Shared with Soil Moisture, Leaf Sensor ③ Signal Icon ④ WN31 Temperature ⑤ Channel Number ⑥ WN31 Humidity ⑦ WN31 MAX&MIN Humidity ⑧ WN31 MAX&MIN Temperature ⑨ Power Status ⑩ CO₂ PPM Level ⑪ Wi-Fi Icon Compatible Add-On Sensors & IoT Devices(sold separately) 1(upload only) - WS90 Sensor Array1(upload only) - WS85 Sensor Array1(upload only) - WS80 Sensor Array1(upload only) - WS69/WN67 Sensor Array1(upload only) - WS68 Sensor Array1(upload only) - WN20 Mini Rain Gauge1(upload only) - WH40/WH40H Rain Gauge1(upload only) - WH57 Lightning Detector1(upload only) - WH45/WH4