Multifunction air quality monitor to check formaldehyde, CO2, temperature and humidity index in real time by your phone. Support intelligent linkage, automatically open air conditioner, purifier, humidifier when the value exceeds the setting. Built-in precise sensors, makes particle measurement more accurate and stable.Features:Multifunction air quality monitor, detecting formaldehyde, CO2, temperature and humidity in real time.Monitor real-time readings and line chart remotely, the changes can be seen directly by hour/ day/ month/ year.When the value exceeds the setting, your linkage smart air conditioner, purifier, humidifier will work automatically, to give you a fresh and comfortable environment.Easily create group, and share the monitor with your family via TuyaSmart. Once the preset value was reached, alarm notification will be sent.Built-in precise sensors, makes particle measurement more accurate and stable.Premium material with exquisite workmanship and compact size makes it extremely space-saving and unobtrusive.Specifications:Material: PVC + Electronic ComponentsColor: WhiteType: Wi-Fi / ZigBee (Optional)Voltage: 5VWorking Current: 10-496MAWorking Temperature: -20~85℃Detection Range:Formaldehyde: 0-10.00mg/m3CO2: 0-1000PPMTemperature: 0-60℃Humidity: 0-95%Item Size: 90 * 35mm / 3.5 * 1.4inItem Weight: 60g / 2.1ozPackage Size: 9.5 * 9.5 * 4.0cm / 3.7 * 3.7 * 1.6inPackage Weight: 92g / 3.24ozPackage List:1 * 5-in-1 Air Quality Monitor1 * USB Cable1 * Pin1 * Manual