KW9426
1- Swiss made co2 sensor
2- CO2 accuracy: +/- (50ppm +5% of reading) at 400-2000ppm
3- 4 color indicator for CO2 levels
4- CO2 alert function
5- Past 24 hours CO2 history record
6- Time, date and day of week
7-Available for DCF, MSF, WWVB radio time signal
8- Temperature and humidity display
9- Wall mounted or table stand design
75-day 日