Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: Samsung UN60F7100 60-Inch 1080p 240Hz 3D Ultra Slim Smart LED HDTV 2013 Model (Certified Refurbished)
Product description: Samsung UN60F7100 60" 3D 1080p LED-LCD TV - 16:9 UN60F7100AFXZA LCD Flat Panel TVs, Amazon Renewed is your trusted destination for pre-owned and refurbished products that are inspected and tested to work and look like new. A Renewed supplier who is Amazon-qualified and performance managed, performs a full diagnostic test, replaces any defective parts, and thoroughly cleans the product. The products will have minimal to no signs of wear, no visible cosmetic imperfections when held 12 inches away, and may arrive in a brown or white box with relevant accessories that may be generic., This product comes with a minimum 90-day supplier-backed warranty An Amazon qualified supplier will provide a replacement or refund within 90 days of your receipt if the product does not work as expected. The warranty is in addition to Amazon's standard return policy. Learn more, Shop for smartphones, computers, laptops, tablets, home and kitchen appliances, game consoles, office products, and more on Amazon Renewed .
Product feature: This Certified Refurbished product is tested & certified by Samsung to look and work like-new. The product includes all original accessories, and is backed by a 90 day warranty., 1080p HDTV with Micro Dimming: Best picture quality, 240Hz Refresh Rate: Best for general viewing, video games, action movies, and sports, Smart TV with Voice Control: Interact with streaming content and the web, Thin LED Design: TV without stand (Width x Height x Depth): 53.8 X 31.3 X 1.2 Inches, TV with stand (Width x Height x Depth): 53.8 X 34.6 X 14.8 Inches
Product brand: Samsung
Target attributes: Screen Form
Answer: attribute: screen form
value: flat panel
source: product description