Bottom; Back - Dell Precision 3571 Technical Manualbook

3. IR emitter
4. IR camera
5. Camera shutter
6. RGB camera
7. Camera indicator LED
8. Microphone
9. LCD panel
10. Battery indicator/diagnostics LED

Bottom

1. Speakers
2. Service tag label
3. Air vents

Back

1. microSIM-card slot
8 Views of Precision 3571