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 Compatible with more sensors: WS90, WS69, WS68, WS80, WH40, WN31(max.8),WH51(max.16), WH41/WH43(max.4), WH45, WH57, WH55(max.4), WN34 S/L(max.8), WN35(max.8), WFC01/AC1100(max.16) 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 Specifications of Display: Measurement Range Accuracy Resolution Working condition Barometric 300 to 1100 hPa (8.85 to 32.5 inHg) Absolute pressure: ±1.5hpa; Relative pressure: ±2hpa 0.1hPa