Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: Motorola TalkAbout FV200AA 5-Mile 22-Channel Two-Way Radio (Pair)
Product description: The Motorola Talkabout FV200 offers a range of up to 5 miles for indoor and outdoor communication. Its featherweight, compact design is ideal for campers and hikers, and its rugged structure can survive the toughest treament. Available with an armband and earbuds, the FV200 is within easy reach at all times, making it perfect for runners, bikers or those who are simply on the go. And with 22 channels and the standard scan feature, this two-way radio makes it easy to stay in touch while you are out and about., The Motorola Talkabout FV200AA GMRS/FRS Two-way Radios, which replaces the T4500 model, offers active families a simple and affordable way to stay in touch. With an improved outdoor range of up to five miles, these sleek and compact, water-resistant radios can fit in the palm of your hand or into a pocket. The FV200AA features audible call tones that grab the attention of your family and friends before you even start talking. A talk confirmation tone will sound when the push-to-talk button is released -- signaling when the other user has stopped talking. An audible low-battery alert ensures that you'll have plenty of notice that your batteries are running low. Note: The Federal Communications Commission (FCC) requires that operators on General Mobile Service (GMRS) and Private Land Mobile (PLM) frequencies obtain an FCC license prior to use. To learn more, please visit the FCC web site. What's in the Box Two FV200 radios and user's manual.
Product feature: Outdoor range of up to five miles, Call-tones notify users before you start talking, Compact, water-resistant radios are prefect for active outdoor use, Audible low-battery alert, Measures 2.2 x 4.7 x 1.2 inches (W x D x H)
Product brand: Motorola Consumer Radios
Target attributes: Number of Channels
Answer: attribute: number of channels
value: 22-channel
source: product title
attribute: number of channels
value: 22 channels
source: product description