# 3. Check the inspection jar for any bugs
If **no bugs** are visible, simply [clean the cassette before re-inserting](/resolving-a-prevention-task/5.-clean-the-cassette-and-re-insert-it-into-the-smart-leg.md) it back into the leg.
{% hint style="info" %}
Inspection of the contents is easier when the inspection jar is placed on a white surface, such as a paper towel or other light-coloured material.
{% endhint %}
## Recognize bed bugs
Image showing bed bugs in various stages of their life cycle
**Bed bugs have distinct characteristics that help with identification:**
* Flat body shape
* Brown or reddish-brown color
* Six legs and two antennae
* Adult bed bugs are typically 5–7 mm long
* Younger bed bugs (nymphs) can be as small as 1.5 mm
{% hint style="danger" %}
If you discover any bed bugs, it's important to conduct a [room inspection](/bed-bug-found-room-inspection-needed.md) to prevent the spread of the infestation.
{% endhint %}
## Other findings
**Most common findings:**
* **Dust:** In some cases, excessive dust in the cassette can trigger a prevention notification.
* **Other insects:** Non-bed bug insects may also be found inside the cassette.
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