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: LED Republic 2-PACK Dimmable Downlight retrofit UL 10W 900 Lumen 4-inch 5000K recessed light
Product description: "Led Republic" is the only authorized one to sell LED Republic products, if you are not purchased from "LED Republic", there will be NO Wanrranty, and please immediately complained to the Amazon, you can get a full refund!! LED Republic DL-4 Retrofit (Downlight) integrates 2835 SMD light source and a compact high efficient driver into a traditional CFL replacement. It is suitable for 120V AC input, including E26 Edison screw base adapter or GU24 base access. It employs a high-tech IC solution to ensure the good stability and dimming system control. It is specially designed for US and Canada ceiling installation .
Product feature: 780 Lumens at 9W - Equivalent to 75W,CCT: 5000K ~ 5500K, Up to 70% energy saving compared to standard CFL, Long lifetime of 36,000 hours, Environment friendly, without mercury or any other hazardous substances, "Led Republic" is the only authorized one to sell LED Republic products, if you are not purchased from "LED Republic", there will be NO Wanrranty, and please immediately complained to the Amazon, you can get a full refund!!
Product brand: LED Republic
Target attributes: Shade Material
Answer: attribute: shade material
value: None
source: None