It can work in the air for a long time, conduct inspections of the transmission and distribution system of medium and high voltage towers and clean the hindrance, solve many high-risk and labor-intensive work dilemmas; implement sandbar rescue ropes, equipped with dual light thermal imaging devices to determine fire The direction of the flow spread to help firefighters in disaster relief efficiency; and assist in agricultural plant protection, high-altitude delivery, and improve logistics efficiency. There are currently three different models of small, medium and large, which can be on duty according to different tasks.