sudo zmu -d /dev/video0 -q -v
Video Device: /dev/video0
General Capabilities
  Driver: uvcvideo
  Card: Microsoft® LifeCam Cinema(TM)
  Bus: usb-0000:00:1a.7-1
  Version: 3.2.30
  Type: 0x4000001
    Supports video capture (X)
    Does not support video output
    Does not support frame buffer overlay
    Does not support VBI capture
    Does not support VBI output
    Does not support sliced VBI capture
    Does not support sliced VBI output
    Does not support video output overlay
    Does not have tuner
    Does not have audio in and/or out
    Does not have radio
    Does not support read/write i/o (X)
    Does not support async i/o
    Supports streaming i/o (X)
    Standards:
  Formats:
    YUV 4:2:2 (YUYV) (YUYV)
    MJPEG (MJPG)
Crop Capabilities
  Bounds: 640 x 480
  Default: 640 x 480
Inputs: 1
  Input 0
    Name: Camera 1
    Type: Camera
    Audioset: 00000000
    Standards: 0x0
    Power on  (X)
    Signal detected  (X)
    Colour Signal detected
    Horizontal Lock detected