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: 46” Sanyo LED 1080P 60Hz HDTV
Product description: SANYO 46 Diagonal Wide Screen High Definition Model FVM4612 HDTV LED with integrated ATSC Digital and NTSC Analog Tuner is the latest technology for the digital age. In a Glossy Black finish it blends into the background when the lights are dimmed for your movies, sports and favorite programs in your den or living room. Having a full array of HDMI, Component-composite combo Audio/Video and RF inputs, you have plenty of options for DVD, VCR, Cable, Satellite and external antenna hookups. A coaxial digital audio output allows hookup to a home entertainment receiver amplifier system for theater like sound. Additional PC/Mac input allows alternative use as a computer monitor and the USB input and Photo Viewer feature allows display of your digital camera photos for all to easily see. And with a thin space saving design and small footprint, it can be positioned anywhere. The detachable stand base allows it to be wall mounted with an optional wall mount kit (not included).
Product brand: SANYO
Target attributes: Depth
Answer: attribute: depth
value: None
source: None