Basic, light-weight and cost-effective, the Ryze Tello is an enjoyable drone for initially-time flyers. In spite of its spending budget value tag, the Tello delivers loads: the battery delivered an affordable thirteen minutes of flight time in testing, although downward-facing light sensors enable the Tello to hover in place and https://www.aeroindustrial.com/por-que-el-dji-matrice-4t-es-el-futuro-de-las-operaciones-industriales-con-drones/