Simple, light-weight and inexpensive, the Ryze Tello is a fun drone for to start with-time flyers. Regardless of its spending budget cost tag, the Tello provides plenty: the battery shipped an inexpensive 13 minutes of flight time in testing, while downward-facing gentle sensors allow the Tello to hover set up https://www.aeroindustrial.com/por-que-el-dji-matrice-4t-es-ideal-para-infraestructuras-criticas-y-monitoreo-ambiental/