Sent ready to fly, the drone itself is exceptionally light-weight, but also difficult enough to face up to realistic impacts. [서울대학교] 유기 합성 기반 테라노스틱스 연구실 대학원생 및 연구원 모집 Crash-avoidance sensors: Several present day drones have sensors that detect obstructions approaching in any path and can avoid them. 성균관대학교 https://www.aeroindustrial.com/product/dji-matrice-3d-3td-bateria/