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: Power Man IP-S350CQ2-0 350W 20 + 4Pin 4Pin 12V 6Pin PCIe Continuous Power Supply
Product description: Specifications Brand: Power Man Model: IP-S350CQ2-0 Manufacturer: In Win Features: • Complies with ATX V2.3 Dual 12V • 12cm fan • 20+4pin main power connector connector • Meets RoHS, UL, CB, and FCC Class B requirements Max. Continuous Output: 350W Fan: 12cm FAN Connector 1x 20+4pin Main Power 1x 4pin +12V CPU Power 1x 4pin FDD Power 1x Peripheral Power 3x SATA Power 1x 6pin PCI-Express Power
Product feature: Brand: Power Man, Model: IP-S350CQ2-0, Manufacturer: In Win, Max. Continuous Output: 350W, Complies with ATX V2.3 Dual 12V
Product price: $2.54
Product brand: powerman
Target attributes: Power Output
Answer: attribute: power output
value: 350w
source: product feature
attribute: power output
value: 350w
source: product title
attribute: power output
value: 350w
source: product description