3d Robotics Iris+ Multicopter with 5100mAh 3S 8C Lithium Polymer Battery, Replacement Propeller Set and Jestik 4GB USB Drive Value Bundle with 2x 3S Batteries and Set of Propellers 16-22 minutes flight time Payload capacity 400 g (.8 lbs) Integrated LEDs on all arms for trouble-free directional awareness Remote controller with on-screen telemetry for instant data as you fly Ready to Fly - Inside the IRIS+ box is everything you need to fly. Simply attach the props, charge the battery, and you're ready to fly manually with the included remote controller autonomously with a Mac, PC or Android device.