NEW YORK, July 11, 2018 /PRNewswire/ -- DJI, the world leader in civilian drones and aerial imaging technology, will reduce prices on its drones, including the Spark and Mavic Pro, by up to $300 as part of its Amazon Prime Day promotion. The discount will be available from DJI's official store on Amazon.com and store.dji.com (US and Canada), starting July 16 at 9am NEW YORK, July 11, 2018 /PRNewswire/ -- DJI, the world leader in civilian drones and aerial imaging technology, will reduce prices on its drones, including the Spark and Mavic Pro, by up to $300 as part of its Amazon Prime Day promotion. The discount will be available from DJI's official store on Amazon.com and store.dji.com (US and Canada), starting July 16 at 9am