# ClearGrass/Qingping Hygro Thermometer CGG1
| Model Id | CGG1 (opens new window) |
|---|---|
| Brand | ClearGrass/Qingping |
| Model | Round Hygro Thermometer |
| Short Description | Simple temperature and humidity sensor with e-ink display |
| Communication | BLE broadcast |
| Frequency | 2.4Ghz |
| Power Source | CR2430 |
| Exchanged Data | temperature, humidity, battery, voltage (depending on which CGG1 firmware is installed) |
| Encrypted | No |
| Image |  |