Feature●【5-IN-1 Multifunctional Detection】The air quality monitor can accurately detect the level of CO2, TVOC, HCHO, Temperature and Humidity,build in a high-precision infrared sensor and a built-in high-performance chip,which can help you assess the quality of your air and take actions, meanwhile displays the date and time.●【LCD Clear Display】CO2 detector With the large LCD screen display and 24 hours real-time function, intelligent color screen display, the number on the screen is clear, easy to identify and read,you can see the data more clearly at any time.●【Easy to Operate】This air monitor is easy to operate ,Once turn on the CO2 meter, it will automatically measure the surrounding air quality for you, easy to carry .●【Built-in Rechargeable Battery】The Air Quality Tester comes with a 1500mAh Built-in Lithium Battery and is packed with a USB cable. It takes 2.5 hours to charge the battery, lasts up to 8 hours,always take care of you and your familys health.●【Satisfactory Guaranty】Our products are all brand new and they will sure meet with your requirement. If you have any problems , you can feel free to contact us and we are patient to solve them for you in any time.Description