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

Input:
Product title: Heliquad 2.4
Product description: Launch Military-style Flight TechnologyFeaturing an instant aerial flip-stunt button allowing you to spin 360 degrees in mid-air, this flying aircraft comes equipped with a gyro stabilizer so you can exert amazing control while performing amazing aerial tricks. This 4 channel, 2.4 ghz radio control wonder has 6 directions of flight - including side to slide slides! For use indoor or outdoor, HelioQuad 2.4 includes a USB charging system.Requires 3 AAA batteries (not included) for transmitter.For ages 10+. **Please note: product name in Fall catalog is incorrect. This is Heliquad 2.4.
Product feature: 6 directions of flight - including side to slide slides!, USB charging system, Performs amazing aerial stunts like 360 degree spins!, 4-7 min flight time, Up to 100ft range
Product brand: Interactive Toy
Target attributes: Number of Channels
Answer: attribute: number of channels
value: 4 channel
source: product description