NASA’s Ingenuity Mars Helicopter hovers over the Martian surface – the first instance of powered, remote controlled flight on another planet – as viewed by the Mastcam-Z imager aboard the Perseverance Mars rover on April 19, 2021.

It's wingspan about 4 feet while the body "Moxie" weights about a size of a tissue box. A total weight of the craft is about 4 lbs (1.8kg) which produces about 350W.  Most of energy is allocated / consumed to stay 'alive' (keep it warm from ultimate cold climate.