Straightforward, light-weight and economical, the Ryze Tello is a fun drone for initially-time flyers. Even with its spending budget selling price tag, the Tello gives a good deal: the battery delivered an affordable thirteen minutes of flight time in tests, while downward-going through light-weight sensors allow the Tello to hover https://www.aeroindustrial.com/por-que-el-dji-matrice-4t-es-el-futuro-de-las-operaciones-industriales-con-drones/