All 4 units included.  Fully tested and working!  Does not include a battery.  Ships same day.  Please see photos for more details.

Alphanumeric

N5603ER Extended Range 2D Imager

No Camera

802.11 a/b/g/n

Bluetooth

Android w/ Google Mobile Services

Cold Storage

FCC

R2 Physical: C3 - used, fair

R2 Functional: F4 - hardware functional