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: Vivitek D966HD-WT D966HD 4500 lumen 1080p Full HD 3D DLP Projector
Product description: The all new D966HD is a full HD 3D DLP projector featuring an impressive 4500 lumens and true 1080p (1920 x 1080) native resolution. Utilizing DLP dark chip 3, Brilliant Color technologies and a 5-segment color wheel, this projector delivers incredible color reproduction and amazing display performance. With a built-in speaker, an assortment of connectivity options, including 3D sync, RJ45, and RS232, the D966HD integrates effortlessly into almost any venue where a powerful projector is needed.
Product feature: Extraordinary 4500 lumens of brightness with a 10000:1 contrast ratio, DLP dark chip 3 and Brilliant Color technologies for sharp and detailed image quality, Vivid Wheel III for improved color reproduction and automatic gain control, Full HD 3D capability, New efficient lamp offering up to 4,000 hours of life
Product brand: Vivitek
Target attributes: Display Type
Answer: attribute: display type
value: dlp
source: product description
attribute: display type
value: dlp
source: product title
attribute: display type
value: dlp
source: product feature