# Blue Maestro Tempo Disc 4 in 1
| Model Id | TD4in1 (opens new window) |
|---|---|
| Brand | BlueMaestro |
| Model | Tempo Disc |
| Short Description | Purple temperature, humidity, dew point and pressure sensor |
| Communication | BLE broadcast |
| Frequency | 2.4Ghz |
| Power Source | CR2032 |
| Exchanged Data | temperature, humidity, pressure, battery |
| Encrypted | No |
| Device Tracker | ✅ |