Description Description: Application Technology: Air Natural Flow Model: HLW-101 Display Mode: LCD color screen digital display Error Fluctuation: 3%-30% Size: 120mmx72mmx4mm Working Voltage: 5V Boot Preheating: 120S (formaldehyde TVOC sensing only) Battery Capacity: 1200mA Charging Time: about 4hrs Standby time: about 240-360 minutes 5-in-1 Air Quality Monitor: HCHO (formaldehyde): 0-1.712mg/m TVOC (Volatile Organic Compounds): 0-12.50mg/m CO2: 400-5000PPM Temperature: -20C~60C Humidity: 20-99% Specifications: 1.Upgrade the indoor air quality monitor with built-in DART electrochemical sensor, which can accurately detect carbon dioxide (CO2), formaldehyde (HCHO), volatile organic compounds (TVOC) and Temperature and humidity. 2.This new model can provide real-time data and average value. It is suggested that you focus on the average value of each gas after testing, because the real-time data is unstable due to long-term monitoring. 3.Everyone needs to know the air quality of the place where you live. This air display has a LCD digital color screen, which is large and easy to read. 4.This air monitor is easy to operate, and only needs to pre the function button. The whole page design makes it easy for everyone to read real-time readings, which is easy to carry. 5.It can help us to detect the air quality of home, kitchen, bedroom, office, school, car, hotel, travel, camping, party, etc. especially babies, children and pregnant women. 6.HLW-101 air quality detector is a multifunctional intelligent household air quality monitoring equipment, which is not a profeional testing instrument. The measured data can only be used as a reference for the change of domestic air environment. Meet the test range standard, CE standard and ROHS standard Package Included: 1* Air Quality Detector 1* Manual 1* USB Line