# Introducing Your Sentinel

<figure><img src="https://content.gitbook.com/content/nUntv7qZyr87jWYksMB8/blobs/uie9tfXdM7n5I08ykdeu/_H1A9592.jpg" alt=""><figcaption><p>Each battery will last on average under a month; with the full extended battery case, Sentinels may last up to 6 months before charging or changing batteries</p></figcaption></figure>

<figure><img src="https://content.gitbook.com/content/nUntv7qZyr87jWYksMB8/blobs/O0ajqoRVje8Vc5hl5y6t/Frame%201%20(1).png" alt=""><figcaption></figcaption></figure>

1. Housing latches&#x20;
2. Standard battery housing (18650 lithium ion rechargeable batteries)
3. Extended battery housing (18650 lithium ion rechargeable batteries)
4. Sentinel printed circuit board
5. LED lights to indicate Sentinel mode and activity
6. On/Off switch
7. MicroSD card slot
8. Tag with Sentinel Device ID number
9. Satellite / Cellular antenna
10. MicroUSB plugin slot (for the Spypoint cabled SD card to connect to a trail camera)

## Additional Equipment Needed not pictured

* Trail camera
* Camera strap(s)
* Spypoint cabled SD card
* MicroSD card

Visit [Fundamentals: Setup](https://conservation-x-labs-1.gitbook.io/sentinel-multi-language/in-the-field) for more details on installing your devices in the wild

Visit the [Sentinel Specification Sheet ](https://conservation-x-labs-1.gitbook.io/sentinel-multi-language/support/sentinel-specification-sheet)for more information on the Sentinel hardware & electronics