This is the radio controlled, electric powered, almost-ready-to-fly Great Planes ElectriFly L-39 Ducted Fan Sport Scale Airplane. This version includes ESC and servos. FEATURES: Construction: Lightweight, strong and resilient AeroCell closed cell foam, AeroCell foam is easily repairable with regular CA glue, paintable, and offers the weight advantages of foam without the brittleness and breakage, decaled and factory painted in camouflage paint scheme Motor: ElectriFly Ammo 20-40-3500 In-runner Brushless (GPMG5140) Electronic Speed Control: ElectriFly Silver Series SS-25 Servos: Three ElectriFly ES50 nano Ducted Fan: Great Planes ElectriFly HyperFlow precisely molded for smooth airflow Wings: One piece wing, epoxied to fuselage during assembly armament attaches with magnets to bottom of wing for realistic scale looks (must be removed before flying) Top Hatch (canopy): AeroCell foam attaches with magnets, detailed canopy for static display Radio Compartment: Accessible under hatch, plenty of room for a wide range of batteries Warranty: Great Planes Model Manufacturing Company guarantees this kit free from defects in both materials and workmanship at the date of purchase. INCLUDES: Great Planes ElectriFly L-39 Ducted Fan Airplane with Ammo in-runner motor (GPMG5140), HyperFlow Ducted Fan, detachable armament, drop tanks, push rods, display stand, instruction manual three ES50 nano servos and SS-25 ESC REQUIRES: Radio: 3-channel with micro receiver LiPo Battery: 910mAh - 1250mAh 11.1V LiPo Battery Charger: LiPo compatible (GPMM3010) Two Futaba 150mm slim wire extensions (FUTM4506) Futaba 6" dual extension (FUTM4130) Misc. Items: Building and Field Equipment SPECS: Wingspan: 25" (635mm) Wing Area: 141 sq in (9.1 sq dm) Weight: 17.5 - 18.5oz (500 - 520g) Wing Loading: 17.9 - 18.9 oz/sq ft (55 - 58 g/sq dm) Length: 31" (780mm) Center of Gravity: 1-15/16" (49mm) Back from the wing's leading edge on both sides of the fuselage Control Throws High Rate Low Rate Elevator, Up and Down: 5/16" (8mm) 1/8" (3.2mm) Aileron, Up and Down: 3/16" (4.8mm) 3/32" (2.4mm) Comments: The drop tanks and armament are for display purposes only and must be removed before flight.