Portable CO2 Detector, 2s Refresh High Accuracy Carbon Dioxide Monitor, 3 in 1
Portable CO2 Detector, 2s Refresh High Accuracy Carbon Dioxide Monitor, 3 in 1 CO2 Meter(Temperature, Humidity and CO2 Value), 96 Hours Standby Time CO2 Monitor for Travel Camping Home Office New ..never used. RRP:; £49.99