Uncomplicated, light-weight and inexpensive, the Ryze Tello is an enjoyable drone for initially-time flyers. Despite its spending budget selling price tag, the Tello features a lot: the battery delivered a reasonable 13 minutes of flight time in tests, while downward-dealing with mild sensors allow the Tello to hover in place https://www.aeroindustrial.com/drones-industriales-dji/