The Mavic2 aircraft use 10 sensors to prevent collisions ... "The image now looks as good as DJI's Phantom 4 Pro, which is too big for me to take around everywhere." ...
The Mavic 3 Pro is slightly larger than the Air 3 but just as portable. It weighs 2 pounds and doesn’t require any assembly before you fly, aside from removing the muzzle-like camera cover.