Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: - Megatech Megastealth 2 RTF Flying Wing with 3 Channel Radio - 9901
Product description: The MegaStealth 2 takes the thrills and excitement of radio-control flight to a new dimension. The sleek aerodynamic shape easily makes the MegaStealth the most recognizable aircraft in the world today. The advanced design of this large, 48 wingspan model provides maximum maneuverability for incredible flying fun. Easily assembled in minutes without tools or glue, the MegaStealth is capable of flight speeds over 60 MPH, yet is suited to both new and advanced flyers. Easily hand launched, the MegaStealth flies for up to 10 minutes before safely landing on any flat surface. A quiet, powerful Mabuchi electric motor drives the MegaStealth's propeller through a precision gearbox unit, while variable speed and flight control functions are directed by the Pro-style transmitter. The advanced R/C system provides solid control of the model at distances up to 1/2 mile away! features Unique Computer Elevator/Elevon Mixing for Directional Control Removable Top Hatch Gives Easy Access to all Electronics Easy Access Battery Door Makes Recharging Battery a Simple Operation Clean, Quiet Electric Power Fail Safe Unit automatically puts plane into neutral during loss of radio signal for slow, spiral decent Specifications: Length : 21 inches Wingspan: 48 inches Weight: 21 Oz. Functions: Aileron/Elevator & Variable Speed Charge Time: 30 minutes
Product feature: INCLUDES AN EXTRA BATTERY PACK!
Product brand: Megatech
Target attributes: Number of Channels
Answer: attribute: number of channels
value: 3 channel
source: product title