Pre-Assembled - Ready to Fly Made from light, durable EPP foam Stunt button on transmitter for aerobatics like loops and rolls Innovative detachable propeller system helps eliminate broken props Removable snap-in-place landing gear gives options for take-offs and landings Easy access under the fuselage helps make replacing components easy Specifications: Wingspan: 15.75" (400mm) Length: 12.5" (318mm) Weight with Batt: 1.6 oz. (54g) Battery: 1S 3.7V 400mAh LiPo Transmitter: 4-channel 2.4GHz System w/PASS Switch & Stunt Button On-Board-Electronics: 4-in-1 Control System with 2 integrated 1.3-gram servos