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: JVC KW-XR810
Product description: JVC KW-XR810 General Features: In-dash Double DIN AM/FM, CD, MP3, WMA player with Remote Built-in Bluetooth technology supports hands-free calling with a compatible Bluetooth phone External Mode for iPod and iPhone plays audio and charges the device, perfect for internet surfing, GPS navigation, games and other apps Dual full speed USB connection for iPod, iPhone, USB drives, Bluetooth dongles, and other digital audio players Fixed double-DIN face Full Dot LCD display with LED backlit illumination Wireless remote control included 30,000+ Variable illumination color display for seamless integration into any vehicle Dual zone separated color display allows different colors to be set for the buttons and the display CEA-2006 compliant amplifier Power Output: Peak: 50 watts x 4 channels RMS: 20 watts x 4 channels CD Text Display MP3 ID3 Tag Display (Title/Artist/Album) 1-year Manufacturer's warranty Playback and Audio Features: Playback of CD, CD-R, CD-RW, MP3, WMA, and WAV HS-IVi tuner with 18FM/12AM presets Ti/Burr-Brown 24-bit DAC 3-Band Parametric iEQ equalizer with selectable tone curves Level, Frequency, and Q Control Loudness control with 3 different stages On-board High-Pass filter (HPF) @ 62, 95, 135 Hz, and off...
Product feature: Brand New JVC KW-XR810 In-dash Double Din CD/MP3/WMA receiver, Full Dot LCD display with LED backlit illumination with 30,000+ Variable illumination color display for seamless integration into any vehicle, USB connection for iPod, iPhone, USB drives, Displays iPod song text on the receiver display, Wireless remote control included
Product brand: JVC
Target attributes: Installation
Answer: attribute: installation
value: in-dash
source: product description
attribute: installation
value: in-dash
source: product feature