MONITOR CO2 IN REAL-TIME: This device aims to monitor and detect the concentration of carbon dioxide on a real-time basis. Also measures the temperature and humidity of your room and your surroundings.
PORTABLE AND VARIOUS USE-Size: 60*60*25 mm. It's easy to carry. The intelligent air quality monitor can help us detect the gas air pollution in household, kitchen, bedroom, office, school, car, hotel, travel, camping, party etc...especially in which has baby, child and pregnant woman. Both 2X AAA batteries (not included) and USB cable line supply power to the unit.
EASY TO USE: With buttons you can easily finish all the operations, including power on and off, switch between Fahrenheit and Celsius, and Auto calibration.
ALARM FUNCTION-The air quality tester alarm with Warning flashing indicator. You can intuitively understand the air quality you breathe.
Precautions and Warranty: it takes about 20 seconds to auto test CO2 when power ON. When the device works with AAA batteries, the display will be off and enter standby mode after 5 mins to save battery power. Directly press Power ON/OFF key to re-flash LCD display. Suggest to work with Micro USB cable connecting and ensure best performance in LCD display and continuous display.
USB cable is only to connect power to the device but can't charge AAA batteries. FORBIDDEN TO CHARGE BATTERIES!