This is the Great Planes Extra 300SP Electric ARF Airplane.

The Extra 300SP is the ultimate aerobatic aircraft, and Great Planes went the distance to get it right! Stronger and lighter than previous models, the Great Planes Performance Series Extra 300SP feels and flies much bigger than it is Gô giving you the ideal blend of aerobatic ability and detail to fill your need for big performance.

Requires:
4-5 channel radio with 4-5 servos
2-stroke .46-.55 or 4-stroke .52-.81 engine; OR RimFire .80 Outrunner brushless motor
60A brushless ESC
(2) 11.1V 3200mAh LiPo batteries

Wingspan: 55 in (1395 mm)
Wing Area: 590 in2 (38.1 dm2)
Weight: 5.5-6.5 lb (2495-2950 g)
Wing Loading: 21-25 oz/ft2 (65-77 g/dm2)
Length: 53 in (1345 mm)