# ShellyBLU Wall Switcht4
| Model Id | SBBT-004CEU (opens new window) |
|---|---|
| Brand | Shelly |
| Model | ShellyBLU Wall Switch4 |
| Short Description | Button |
| Communication | BLE broadcast |
| Frequency | 2.4Ghz |
| Power Source | CR2032 |
| Exchanged Data | button press type of each button, battery, packet ID |
| Encrypted | No - Currently only unencrypted devices are supported |
The button press type for each button is encoded as:
- 0 - None (other Button was pressed or sent every 8 seconds if beacon mode is enabled)
- 1 - Single short click
- 2 - Double click
- 3 - Triple click
- 9 - Long press
- 11 - Button hold