<p>[Comprehensive Air Quality Test]: This 5-in-1 air quality tester integrates multiple test functions for measuring TVOC HCHO Temperature Humidity CO2 Meter,</p> <p>[TFT Color Display \u0026 APP Control]: 2.8-inch TFT color screen, you can see the clearly at a glance. With the Tuya APP, enjoy real-time testing and remote management of your home's air quality from anywhere you are.</p> <p>[Personalized Settings \u0026 Historical Data Checking]: Supporting customizes alarm limits, sets sleep modes, and effortlessly explores detailed historical data on air parameters by day, month, or year. The app also boasts a user-friendly interface with options for temperature unit switching and versatile timer settings, ensuring a personalized and convenient experience tailored to your needs.</p> <p>Name: Air Quality Tester</p> <p>Battery: 3.7V lithium battery</p> <p>Working voltage: 5V</p> <p>Charging method: USB 500mA Type-C interface</p> <p>Charging time: about 4h</p> <p>Standby time: about 300-360 minutes (built-in multiple sensors, high power consumption)</p> <p>Battery capacity: 1200mah\/2000mah lithium battery</p> <p>Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use</p> <p>Colour:Black</p> <p>Material:plastic</p> <p>Package Contents:</p> <p>1 x 5 In 1 Air Quality Monitor</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>