6 in 1 Air Quality Monitor 5-inch LCD Display BT Tuya APP Control CO2 Detector with 128MB Secure Digital Memory Card

14-in-1 Indoor Air Quality Monitor Tuya WiFi Air Quality Detector Detects CO₂ CO TVOC HCHO Temperature and Humidity PM2.5 PM1.0 PM10 2.8inch TFT Color Display Support Cellphone APP Control with Time Date Alarm Timer and Stopwatch Timer Function