CO2 Monitor, CURCONSA CO2 Detector with Ambient Temperature, Humidity and Clock, Rechargeable Lithium Battery with 1800 mAh, 3.5 Inch TFT Colour Screen with Capacitive Touch

➽【Necessary for home】If the room is not often ventilated, you can use CO2 monitor to test the CO2 concentration indoors accurately and quickly to protect your health. The high-precision thermometer and hygrometer function can monitor the indoor temperature and humidity in real time, and the clock function can display the exact time. It is an essential device to create a good environment in your bedroom or office.
➽【Two-channel NDIR sensor】The two-channel NDIR sensor used in the CO2 monitor can't cross contamination of CO2 with other gases and is characterised by high accuracy, high reliability and long service life (up to 15 years).
➽【Alarm setting and data storage】The alarm value of the CO2 concentration can be set between 400 and 4500 ppm. When the set range is exceeded, an acoustic alarm will sound that effectively reminds. You can display the CO2 colour histogram and temperature/humidity chart of the last 7 days. The device can store 5000 records and connect to a computer t