ETOP

This is ETOP, "a pure electric power airborne tethered observation platform," from IAI, as seen at the Paris Air Show. It features: low maintenance, full automation, low noise, unlimited hovering, single-click operation, "deployment to full operation and recovery to basic status within seconds," and more. It has a maximum payload of 44 pounds, and can carry multiple sensors. It can fly up to 328 feet high.