1. Highprecision Sensor Technology: Equipped with a semiconductor TVOC sensor and a highquality electrochemical detection module, this air quality monitor ensures accurate and stable performance with excellent interference resistance. It provides reliable readings for pollutants such as carbon dioxide, carbon monoxide, temperature, humidity, and formaldehyde.2. Multifunctionality with Large Display: The co2 meter features a large screen display that shows clear readings, along with additional functionalities like displaying time, date, serving as an alarm clock, and a stopwatch. It offers convenience and versatility in one device.3. Realtime Monitoring and Historical Data: With the Graffiti Smart App, you can monitor realtime air quality data and access historical records. Stay informed about the air quality in your environment and make necessary adjustments to a healthy living space.4. Userfriendly Design for : The pm2.5 pm1.0 pm10 pm10 hcho tvoc co co2 meter is designed with low power consumption and a long usage lifespan. Its userfriendly interface and advanced features easy to operate and integrate into your daily routine, ensuring lasting value for your investment.Specification:: Paint & DecoratingGas Type: MultifunctionalWith LCD Screen Or Not: YesModel Number: Air Quality MonitorIs Smart Device: noBuiltin lithium battery: 2000mAhBattery voltage: 3.7VCharging: about 34 hoursAvailable time: about 68 hoursFunction: detect formaldehyde, carbon dioxide, carbon monoxide, TVOC, pm2.5, pm1.0, pm10, temperature, humidity, display time, date, timing, stopwatch, alarm clock, Tuya smart connectionNote: Due to different production batches, the label words on the product are random. The actual product may have slight differences or color differences. This does not affect the applicability.Material: plasticcolour: WhitePackage Contents:1 x Air Quality MonitorOnly the above package content, other products are not included.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 +/ 13cm.