Drones come in many sizes, from as small as a credit card to the size of a cow. Larger is possible as well. Size is tradeoffs - the credit card size cannot contain camera much less anything useful (like much range) - but they are cheap. large ones can carry useful payloads but are expensive.
Drones come in many sizes, from as small as a credit card to the size of a cow. Larger is possible as well. Size is tradeoffs - the credit card size cannot contain camera much less anything useful (like much range) - but they are cheap. large ones can carry useful payloads but are expensive.