# SLZB-Ultima

# Install addons on SLZB-Ultima

### Microphone addon

[![image.png](https://smlight.tech/support/manuals/uploads/images/gallery/2026-01/scaled-1680-/J55image.png)](https://smlight.tech/support/manuals/uploads/images/gallery/2026-01/J55image.png)

### Z-Wave, POE, 4G/LTE

[![image.png](https://smlight.tech/support/manuals/uploads/images/gallery/2026-01/scaled-1680-/pAUimage.png)](https://smlight.tech/support/manuals/uploads/images/gallery/2026-01/pAUimage.png)

[![image.png](https://smlight.tech/support/manuals/uploads/images/gallery/2026-01/scaled-1680-/x9Dimage.png)](https://smlight.tech/support/manuals/uploads/images/gallery/2026-01/x9Dimage.png)

# Opening the case

## How to open device

Prepare a flat, thin tool. This can be a small screwdriver.

[![image.png](https://smlight.tech/support/manuals/uploads/images/gallery/2026-01/scaled-1680-/8ZLimage.png)](https://smlight.tech/support/manuals/uploads/images/gallery/2026-01/8ZLimage.png)  
Insert the tool from above, between the Type-C port and the case.

[![image.png](https://smlight.tech/support/manuals/uploads/images/gallery/2026-01/scaled-1680-/bN7image.png)](https://smlight.tech/support/manuals/uploads/images/gallery/2026-01/bN7image.png)

[![image.png](https://smlight.tech/support/manuals/uploads/images/gallery/2026-01/scaled-1680-/qYmimage.png)](https://smlight.tech/support/manuals/uploads/images/gallery/2026-01/qYmimage.png)  
Carefully pull the top cover forward using the tool, leaning against the Type-C

[![image.png](https://smlight.tech/support/manuals/uploads/images/gallery/2026-01/scaled-1680-/Jzgimage.png)](https://smlight.tech/support/manuals/uploads/images/gallery/2026-01/Jzgimage.png)  
Carefully pull off the top and bottom covers

## Snaps locations

[![image.png](https://smlight.tech/support/manuals/uploads/images/gallery/2026-01/scaled-1680-/pz4image.png)](https://smlight.tech/support/manuals/uploads/images/gallery/2026-01/pz4image.png)

[![image.png](https://smlight.tech/support/manuals/uploads/images/gallery/2026-01/scaled-1680-/EsCimage.png)](https://smlight.tech/support/manuals/uploads/images/gallery/2026-01/EsCimage.png)

[![image.png](https://smlight.tech/support/manuals/uploads/images/gallery/2026-01/scaled-1680-/Dvnimage.png)](https://smlight.tech/support/manuals/uploads/images/gallery/2026-01/Dvnimage.png)

[![image.png](https://smlight.tech/support/manuals/uploads/images/gallery/2026-01/scaled-1680-/EbFimage.png)](https://smlight.tech/support/manuals/uploads/images/gallery/2026-01/EbFimage.png)