Instruction: First, identify the target attributes from the provided list. Then, scan the product title, description, feature, and brand to extract the values associated with each target attribute. Finally, create a list of dictionaries, each containing the extracted attribute, its corresponding value, and the source where it was found.

Input:
Product title: Generiks iPhone 4 / 4S DIAMOND Screen Protectors (3 Pack)
Product description: Some folks realized that it costs more to buy a brand name, but are not comfortable with just any third party generic product. Generiks offers High Quality Diamond Screen Protectors for your iPhone 4. These are not your run of the mill cheap generic knock-offs. Generiks provide the same Diamond protection for your iPhone 4 screen as the branded guys without charging you extra for a brand name and packaging. Our Diamonds turn virtually invisible when your device is turned on, just like the branded versions. With 3 screen protectors included, you can share the wealth, or save em for later.
Product feature: Virtually unobstructed screen viewing with some style *Diamonds become virtually invisible while device is on, Precise cut for best fit and easy installation, Hard coated: scratch and scuff resistant, Static cling adhesion: Will not leave sticky residue when removed, Includes high quality screen cleaning cloth
Product brand: Generiks
Target attributes: Device Type
Answer: attribute: device type
value: iphone
source: product title
attribute: device type
value: iphone
source: product description