The sensor can also display on the LCD five rows of text messages, 21 characters each.
Dual wavelength NDIR (non dispersive infrared technology). No CO2 calibration needed.
Frequency: 868 / 915 MHz
Power: 14 dBm
Battery: 3.6V lithium-thionyl chloride (Li-SOCl 2 )
Programmable Alive signal
One or two thresholds for each CO2, T and RH programmable from remote
Price: not available