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: Online Best Service Automatic LED Flashlight Blackout Alert Power Failure Outage Plug in Rechargeable
Product description: Online Best Service items includes A 90 Days Warranty. The warranty will be voided if purchased from a resellers or any company other than Online Best Service
Product feature: Lights up automatically when there is a power failure eliminating the need to search for a flashligh, Rechargeable Emergency light with bright LED, LED lamps on the top as torch, 14 Strong LED as the emergency light Size: 6.5" long, COLOR MAY VARY
Product brand: Online Best Service
Target attributes: Beam Type
Answer: attribute: beam type
value: None
source: None