Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: iRULU eXpro X1 7 Inch Quad Core Google Android Tablet PC, 1024 * 600 Resolution, Wi-Fi, Games, Dual Cameras, 16GB Nand Flash (Black Tablet)
Product description: GMS Certified. Set Apart from the Pack. This eXpro X1 7" Tablet is GMS Tested and Certified by Google to guarantee consistent quality, assure reliability, and maximize privacy protection for secure browsing and communications; a high standard many Androids today do not reach. Favorites in Hand Use your favorite pre-installed officially licensed Google Apps -- like Gmail, Chrome, Google Play, YouTube, and Google Maps knowing they will run flawlessly. And the internationally recognized GMS Certification gives you peace of mind in the U.S. and abroad. Immersive Interactions Enjoy an immersive viewing experience with high performance graphics. Google Android 4.4 KitKat OS brings you some of the latest features in tablet entertainment, such as easy multi-tasking, rich notifications, resizable widgets and deep interactivity. High Speed Processing, Low Impact on Your Wallet Games run flawlessly, web pages load quickly and apps runs more efficiently with the 1.3GHZ Quad-Core high speed Processor powering it all. This tablet is packed with features that keep your digital life running at a quick pace, and iRULU is committed to working hard to make sure the price is easy on your budget. Specification: iRULU eXpro X1 Tablet is powered by ARM A33 Cortex-A7 1.3GHZ Quad-Core Google Android 4.4 KitKat OS 7 inch Capacitive TFT Display, 1024*600 Resolution Dual Camera: Front 0.3MP Back 0.3MP Wireless: Wi-Fi 802.11b/n/g RAM: 512MB ROM: 16 GB Storage (Supports 32GB Micro SD card extension) Dimensions of Keyboard case: 23*15*4.5cm (L*W*H) Package : 1 x iRULU 7 Inch Tablet 1 x Keyboard Case 1 x USB Cable for Charging 1 x User Manual Includes a 1 year limited warranty
Product feature: Quad Core Processor 1.3GHZ, with Google Android 4.4 KitKat operating system ( This black tablet comes with a blue keyboard case), GMS Tested & Certified (GMS: Google Mobile Service), 7" LCD multi-touch screen; 1024 by 600 resolution, 16 GB capacity, extendable to 32 GB with a Micro SD card, Dual cameras; pre-installed with youtube, play store, maps and gmail, etc
Product brand: iRULU
Target attributes: Display Resolution
Answer: attribute: display resolution
value: 1024 * 600
source: product title
attribute: display resolution
value: 1024*600
source: product description