General description This 5-in-1 air quality monitor is designed to measure TVOC, HCHO, temperature, humidity, and CO2 levels. It features a 2.8-inch TFT color display for clear visibility and can be controlled remotely via the Tuya APP, allowing for real-time monitoring of your home's air quality from anywhere. Technical specifications Battery: 3.7V lithium battery Working voltage: 5V Charging method: USB 500mA Type-C interface Charging time: approximately 4 hours Standby time: about 300-360 minutes Battery capacity: 1200mAh or 2000mAh Color: Black Material: Plastic Measurement allowed error: +/- 1-3cm Compatibility and accessories Compatible with Tuya APP for remote management Usage Customize alarm limits and set sleep modes Access detailed historical data on air parameters by day, month, or year Switch temperature units and set versatile timer settings Other information The product may have slight differences in appearance due to different batches Light reflection and different