| Model Number | Htc-18 |
| unit | °C/°F unit selectable |
| Temperature | -10~50°C (+14°F~+122°F) |
| Temperature resolution | ±0.1℃(0.2℉) |
| Range of humidity measurement | 10%~99%RH |
| Accuracy of humidity measurement | ±5%RH |
| Humidity resolution | 1% |
| Feature 1 | With night light |
| Feature 2 | Temperature and humidity memory function |
| Feature 3 | Alarm function |
| Feature 4 | 12/24 hour system switching |
