After announcing initial tests two years ago, Amazon officially introduces its drone delivery service: Amazon Prime Air. In this clip, narrated by Jeremy Clarkson, the retailer showcases just how the service works.

Promising a delivery time of 30 minutes, the drone — which capable of distances of 15 miles at a speed of over 55 mph — is loaded with your order at a nearby fulfillment center and delivered to your doorstep.

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