Simple, Light-weight and very affordable, the Ryze Tello is an enjoyable drone for 1st-time flyers. Inspite of its spending budget cost tag, the Tello delivers plenty: the battery delivered an affordable thirteen minutes of flight time in testing, though downward-going through light-weight sensors allow the Tello to hover set up https://www.aeroindustrial.com/tecnologia-dji-lidar/