Description If you are looking for a professional and affordable digital infrared airquality sensor, then your research is over here. That's because our product canmeet your need. Adopted of premium material, it is practical and durable forlong time use. It is not easy to get deformed and bring you much convenience. Features -Color:White -Material:AMS, glass-Size:10.00X7.00X4.00cm/ 3.93X2.75X1.57in Battery capacity: 1200mAWorking voltage: DC 5VWorking temperature: 10-50 Celsius degree- High performance chip: Accurately capturethe weak current during the electrochemical reaction and accurately calculatethe HCHO measurement results. - Environmental protection and energysaving, low battery alert: rechargeable, built-in battery, full charge can last10 hours. - Intelligent monitoring: sound and colordouble layer alert, care for the health of your surrounding environment withcare. - Multifunctional in one: CO2, TVOC, HCHOmonitoring, temperature and humidity measurement. - Built-in intelligent alarm system,multiple anti-interference, air convection technology, greenhouse compensationcalibration, more accurate measurement. Packing list: 1 x Air quality detector1 x Charging cable (without plug)1 x Manual