Dell Alienware 17 R4 Setup And Specifications page 9

1. Left microphone
Provides digital sound input for audio recording and voice calls.
2. Infrared emitter
Emits infrared light, which enables the infrared camera to sense depth and track motion.
NOTE: The infrared emitter blinks to detect the user's presence. To stop the emitter from blinking, turn off the Tobii
Aware. For more information about the Tobii Aware, see
3. Infrared camera
Enhances security when paired with Windows Hello face authentication.
4. Camera
Enables you to video chat, capture photos, and record videos.
5. Camera-status light
Turns on when the camera is in use.
6. Right microphone
Provides digital sound input for audio recording and voice calls.
7. Service Tag label
The Service Tag is a unique alphanumeric identifier that enables Dell service technicians to identify the hardware
components in your computer and access warranty information.
Tobii Aware.
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