Durable, high quality materials and a clear 2.8 inch TFT color display make this all-in-one device reliable for daily use. It shows time at a glance with a vertical stopwatch display and keeps you informed with environmental readings. Key features - 15-in-1 capabilities: Tuya Smart WiFi, Time, Date, Alarm Clock, Timer, Stopwatch, PM2.5, PM1.0, PM10, CO2, CO, TVOC, Formaldehyde (HCHO), Temperature, Humidity - 2.8 inch TFT colour display with a vertical stopwatch for easy reading - Real-time monitoring and historical data in the Tuya Smart app - Time and date automatically update from your phone whenever you connect to the Tuya Smart App - Simple WiFi setup and pairing: within 2 minutes after startup the WiFi icon flashes to indicate pairing; use Tuya to add the device - Re-pairing option: press the button 5 times in a row to flash the WiFi symbol and re-enter pairing mode Why this helps - All-in-one monitoring: track air quality, temperature, humidity and time in one accessible device - Improves comfort and safety at home, work, or in sleep spaces by providing actionable readings - Easy integration with the Tuya ecosystem for convenient data access and history Recommended use scenarios - Home living room or kitchen: monitor PM levels, CO2, TVOC and humidity while cooking or hosting, with automatic time sync for accurate records - Nursery or bedroom: keep an eye on temperature, humidity and PM readings to support a comfortable sleep environment - Office or meeting room: monitor CO2 and air quality to ensure a productive space, while using the built-in alarm and timer for scheduling This device offers a compact, durable solution that combines timekeeping with comprehensive environmental sensing and seamless Tuya Smart App connectivity.