> ## Documentation Index
> Fetch the complete documentation index at: https://askui-docs-streamline-documentation.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Capabilities

> Background mode, multi-display, window targeting.

## Background Automation (Windows)

Run automation while you work:

```python theme={null}
with VisionAgent(background=True) as agent:
    agent.act("Open Excel, create report, email to team")
# You can keep working
```

## Multi-Display

```python theme={null}
with VisionAgent() as agent:
    displays = agent.tools.os.list_displays()

    agent.tools.os.set_active_display(1)
    agent.act("Open dashboard")

    agent.tools.os.set_active_display(2)
    agent.act("Open monitoring")
```

## Window Targeting

```python theme={null}
agent.act("""
    Find Chrome window with "Email" in title
    Focus that window
    Click "Compose"
""")
```

## Direct Control

```python theme={null}
# Keyboard
agent.tools.os.keyboard_tap("v", modifier_keys=["control"])  # Paste
agent.tools.os.keyboard_type("Hello!")

# Mouse
agent.tools.os.mouse_move(100, 200)
agent.tools.os.mouse_click("left")
agent.tools.os.mouse_scroll(0, -5)
```

## Companion Devices

Control mobile devices via capture card + Bluetooth HID:

| Device         | Connection        |
| -------------- | ----------------- |
| iOS            | Bluetooth HID     |
| Android        | Bluetooth/USB HID |
| Industrial HMI | Serial/USB        |

## Unicode Support

```python theme={null}
agent.act('Type "Hello 世界 🎉"')  # Works with all Unicode
```