$99.9915-in-1 Air Quality Monitor Indoor CO/CO2/HCHO/TVOC/AQI/PM0.3/PM1.0/PM2.5/PM10/Thermometer/Humidity Monitor/Date and Time/Alarm Clock/Timer/Mobile APP, WiFi, Alerts & Notifications (White Red)Amazon- $39.99JXJHOVV 2.4Ghz WiFi Clock, Atomic Clock, Auto Time Calibration with Clock Zone Temperature, Humidity, Alarm, Date, Day of The Week, Adjustable Brightness for Smart Life and Tuya Smar APPAmazon