Very Simple, light-weight and cost-effective, the Ryze Tello is a fun drone for initial-time flyers. Regardless of its budget rate tag, the Tello presents loads: the battery delivered an inexpensive 13 minutes of flight time in testing, when downward-going through light sensors enable the Tello to hover in place and https://www.aeroindustrial.com/el-futuro-del-campo-drones-para-agricultura-de-precision/