World Models Groovy EP (No Motor) ARF Wing Span 39.5 in / 1000 mm Wing Area 305 sq in / 19.7 sq dm Flying Weight 25.5 oz / 720 g Fuselage Length 39 in / 990 mm Requires 4-channel radio w/ 4 micro servos, Outrunner Motor KM0283010 w/ Propeller Adaptor HW2340100, 20A brushless ESC, 3 cells 11.1V 2100 mAh Li-Po battery & charger