Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: Rockville RDP71-BG 7 Beige/Tan Car Headrest Monitors w/DVD/USB/SD Player+Games
Product description: The Rockville RDP71 is a 7" complete car video entertainment system. The RDP71 features a universal fit system and it includes all the necessary parts to fit any vehicle. It has adjustable and detachable metal poles that adjust left to right from 4.72" inches to7" inches. Rockville will have you up and running and enjoying your system in almost no time. Rockville takes the rocket science out of system integration, with our detailed and easy Do-It-Yourself Instructions. (Our instructions are written so that it is easy to understand). The headrests are manufactured of high quality leatherette with a plush comfortable finish and modeled to integrate perfectly into any vehicle., Two headrest are included. The main headrest features a front loading DVD player that will play on both headrests. (The second headrest is standalone video monitor unit without the built-in DVD Player. All Rockville DVD units are manufactured using original Sony laser lens pick ups for the absolute best DVD playability. No skipping or pausing. And even home made discs will play with no problem. Our loaders and spin motors are Japanese made by Mabuchi the world leader in DVD spin technology. This is one of the major differences between Rockville and some of the other brands. Image quality is at an amazing 400 x 234 resolution. The picture is crystal clear. All Rockville video products go through an extensive testing phase before production. We take a sample unit and keep it on for days straight (24 hours a day) and ensure that the picture stays crystal clear even after the monitor being on for long periods of time., The RDP71 has great features. The built-in screens on the headrests can tilt forward and backwards for best viewing angles. The DVD headrest also features USB and SD card inputs. You can store movies or audio on a USB or SD card and play it back through this system. There are also RCA audio/video output connections for video output to additional monitors in your system.
Product feature: Rockville RDP71-BG 7 Beige/Tan DVD/USB/SD Car Headrest Monitors With IR Transmitter. 7 High Resolution Monitors. One Headrest Monitor Has Front Loading DVD Player, USB, and SD Inputsand One Matching Headrest Monitor That Displays Whatever Is Playing On The Master Monitor. Region Free DVD Player., DVD, DVDR/RW, CDR/RW, VCD Playback480 x 234 Screen Resolution. 16:9 (Wide Screen) or 4:3 (Letterbox) Switchable Aspect Ratio. 300:1 Contrast Ratio. PAL/NTSC Auto Switching. Multi-Media SD/MS/MMC Card Reader. USB Media Input (MP3, MP4, WMA). Built-in FM transmitter for wireless audio playback through vehicle stereo system., Built-in IR Transmitter for IR Compatible Stereo Headphones (Sold Separately). Internal Stereo Speakers for low level listening. 3.5mm Headphone Jack. RCA Line A/V Signal Output. SONY Laser Lens. Japanese Mabuchi Loader and motor. Adjustable and Detachable Metal Poles (4.72in 7in). Plastic Inserts for Custom Fit to Most Vehicles., Forward/Backwards Tilting Headrest. On Screen DisplayMenu In English, Spanish, French, Russain, Chinese, Italian, Portugese, German, Dutch. Multifunction Remote Control Included. 32 Bit Game System built in with included game controller and game disc. (Over 1000 total games built in)., Accessories Included: 2 Multifunction Remotes. Video Game Controller. Installation Cables. Plastic Fitment Inserts. Owners Manual.
Product brand: Rockville
Target attributes: Installation
Answer: attribute: installation
value: headrest
source: product feature
attribute: installation
value: headrest
source: product title
attribute: installation
value: headrest
source: product description