## General - Water Selection

### Function Introduction
This DP represents the water volume during the robot vacuum's cleaning process.

### DP Protocol
 **DP Code** | **Required** | **Function Point Name** | **Data Type**  | **Data Transmission Type**   | **Remarks**               
-------------|----------|-----------|-----------|--------------|----------------------
 cistern  | Optional       | Water Selection   | Enum (enum) | Report Only (ro) | --

**Enum Values**

-  closed - Off 
- low - Low
- middle - Medium 
- high - High

### Device Interaction Process
- None available

### Notes
Refer to [General - Suction].