Photo 1 of ***missing power adapter, but still work with 1.5V AAA batteries*** Newentor CO2 Monitor, Indoor Air Quality Meters, Carbon Dioxide Detector with Voice Alert, Large Display CO2 Tester, Temperature Humidity Sensor, Alarm Clock for Home, RV, Grow Tents, Bla

Double tap image to zoom

Photo 1 of ***missing power adapter, but still work with 1.5V AAA batteries*** Newentor CO2 Monitor, Indoor Air Quality Meters, Carbon Dioxide Detector with Voice Alert, Large Display CO2 Tester, Temperature Humidity Sensor, Alarm Clock for Home, RV, Grow Tents, BlaPhoto 2 of ***missing power adapter, but still work with 1.5V AAA batteries*** Newentor CO2 Monitor, Indoor Air Quality Meters, Carbon Dioxide Detector with Voice Alert, Large Display CO2 Tester, Temperature Humidity Sensor, Alarm Clock for Home, RV, Grow Tents, BlaPhoto 3 of ***missing power adapter, but still work with 1.5V AAA batteries*** Newentor CO2 Monitor, Indoor Air Quality Meters, Carbon Dioxide Detector with Voice Alert, Large Display CO2 Tester, Temperature Humidity Sensor, Alarm Clock for Home, RV, Grow Tents, Bla