The price isn't listed because it depends on bulk, anticipated support and support contracts (ongoing revenue), anticipated future sales etc.

If an independent shop wants 2 cameras you charge them enough to make a profit on the overhead of dealing with them (or point them to a retailer if they want less than a pallet).

If Walmart want 2 cameras to try out you give them (or loan them) to them for free knowing if they like them you'll be shipping them by the pallet for years.