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: Adesso NuScan 2100U Handheld CCD BarCode Reader NuScan2100U
Product description: Description:, The ergonomic ultra-slim NuScan 2100 Slim Long Range Handheld CCD Barcode Scanner from Adesso is designed to withstand heavy use. The barcode scanner can be used to input data for greater accuracy than manual input on a keyboard. Simply point the scanner at the barcode, press the trigger button to send the code to the active application as if you used a keyboard., Features:, Streamline, Slim, Ergonomic Design Superior Scanning Performance Built-In Decoder LED & Beeper Indicators Flexible Communication
Product feature: Adesso NuScan 2100U Handheld CCD BarCode Reader NuScan2100U
Product price: $86.43
Product brand: Adesso
Target attributes: Type
Answer: attribute: type
value: ccd
source: product title
attribute: type
value: ccd
source: product description
attribute: type
value: ccd
source: product feature