| Display | LCD size : 60 mm x 50 mm |
| Circuit | Custom one-chip of microprocessor LSI circuit. |
| Measurement | CO2 ( Carbon dioxide ), Humidity, Temperature |
| CO2 Sensor Structure | NDIR |
| Temperature compensation | Automatic temp. compensation for CO2 measurement. |
| Operating Humidity | Less than 90% R.H. |
| Operating Temperature | 0 to 50 . |
| Update Time of Display | Approx. 1 second if measuring data is changed. |