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: Halo 90CRI LED Flush Mount Disk Light, 4-Inch, White - SLD405930WH
Product description: This Halo LED Disk Light is a universal surface mount. It replaces bulbs, flush mounts, recessed trims, and fits in most junction boxes and recessed housings. Features wave stream LED technology to create an ultra-low profile surface mounting luminaire with the performance and look of a traditional down light.
Product feature: Low profile surface trim with the look of a traditional downlight, LED life of 50,000 hours or 45 years (based on 3 hours per day), Replaces bulb using recessed can lights and flushmount fixtures, Flexible mounting with junction box bracket (included), Wet location, damp location, Air-tite, insulation contact rated, and can be used with fire-rated ceiling system
Product brand: Halo
Target attributes: Shade Material
Answer: attribute: shade material
value: None
source: None