A new hydrogen-powered drone by BSHARK, the Narwhal 2, boasts a two hour flight time, control and video range of 30 km (18.6 miles), at a cost of $6,800. It weighs 14.5 lbs, has a 1000 g (2.2 lb) payload, and folds to 12.2″x22.4″x41.7″ for transport. H/T UAV Coach