Full Function Radio Controlled 30A brainpower electron scale velometer, lower press, the plane has safe, convenient crate start-up and low-pressure power-off functions. Super Tough, Lightweight Airframe All Molded Plastic and Foam Construction Fabricated by Accurate Molds with High Fidelity of Real Airplane Power supply uses high-speed motor. Propeller would pucker with automatism to allay resistance when the plane volplaning With 3 Servos Equipped with Standard 4 Channel Radio System, Airplane come 90% Pre-Assembled Easy to Assemble Wingspan: 46\" Length: 36\" Flight weight: 600g 4 channels scale remote control equipment Motor: 380-480 Maximum Operating Range: 300 meters Accessories Manual 4-Channel Remote Controller (8 AA Batteries Not Included) 9.6v Rechargeable Battery Battery Charger Adapter (110V) One extra propellers Full Set of tools for assembly included