Concealed Remote Observation device

From Halo: Daybreak

Concealed Remote Observation devices, or CROs, were a type of surveillance system used by UNSC infantry. A form of portable camera, they were roughly the size of a chatter phone, and could be connected up to a receiving device such as a tacpad for observation purposes. However, their optics could be washed out if subjected to a bright light source, rendering them useless. They were noted to being similar to models used for hunting game.

On February 15, 2525, India-2 used them while planning their attack on Facility A1-30 on Harvest.

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