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: Power Acoustik PDN-626B DVD/CD Car GPS Navigation Receiver+Bluetooth/USB+Camera
Product description: Features:, Power Acoustik PDN-626B DVD/CD Car Stereo GPS Navigation Receiver+Bluetooth/USB Turn-by-Turn GPS Navigation of USA & Canada MHL MobileLink X2 Compatible Android Devices via USB Cable A2DP Wireless MP3 Audio Playback from Enabled Device 300 Watt 4ch. MOSFET Speaker Outputs 800x480 Widescreen Resolution 12 Million Points of Interest Database Included Built-in Microphone & External Microphone Included Advanced FM/AM Tuner with RDBS Playback from DVD & CD of MP3 & MP4 Playback from 64GB SD/USB of MP3 & MP4 ID3 MP3 Tag Reading for Track & Artist Information AUX Audio Input 10-Band Audio Equalizer w/ User Presets Front & Rear Pre-Amp Outputs Variable Subwoofer Pre-Amp Output Video Output for Auxiliary Devices Rear View Camera Input w/ Trigger Accepts Farenheit OEM & Steering Wheel Control Interface Custom Backgrounds & Screen Savers Multi-Region FM Frequency Stepping 400NIT LED Backlight Rockville RBC5B (Black Chrome) Adjustable Angle Rearview Back-up Camera, Universal License Plate Mount Night Vision: PC6070 Image Sensor Waterproof & Fog Resistant Easy Installation Auto Turn-on 420 TV Lines 648H x 488V Low Light Sensitivity: 0.01 LUX 170 Wide View Angle True Color Reproduction Automatic White Balance Universal License Plate Mount Guidance Distance Grid Includes: DC Power Cable, RCA Video Control Cable, Mounting Screws
Product feature: Power Acoustik PDN-626B DVD/CD Car Stereo GPS Navigation Receiver+Bluetooth/USB. Turn-by-Turn GPS Navigation of USA & Canada. MHL MobileLink X2 Compatible Android Devices via USB Cable. A2DP Wireless MP3 Audio Playback from Enabled Device. 300 Watt 4ch. MOSFET Speaker Outputs., 800x480 Widescreen Resolution. 12 Million Points of Interest Database Included. Built-in Microphone & External Microphone Included. Advanced FM/AM Tuner with RDBS, Playback from DVD & CD of MP3 & MP4. Playback from 64GB SD/USB of MP3 & MP4. ID3 MP3 Tag Reading for Track & Artist Information. AUX Audio Input . 10-Band Audio Equalizer w/ User Presets. Front & Rear Pre-Amp Outputs. Variable Subwoofer Pre-Amp Output. Video Output for Auxiliary Devices. Rear View Camera Input w/ Trigger. Accepts Farenheit OEM & Steering Wheel Control Interface. Custom Backgrounds & Screen Savers, Rockville RBC5B (Black Chrome) Adjustable Angle Rearview Back-up Camera, Universal License Plate Mount. Night Vision: PC6070 Image Sensor . Waterproof & Fog Resistant. Easy Installation. Auto Turn-on. 420 TV Lines.648H x 488V. Low Light Sensitivity: 0.01 LUX. 170 Wide View Angle. True Color Reproduction, Rockville RBC5B (Black Chrome) Adjustable Angle Rearview Back-up Camera, Universal License Plate Mount. Night Vision: PC6070 Image Sensor . Waterproof & Fog Resistant. Easy Installation. Auto Turn-on. 420 TV Lines.648H x 488V. Low Light Sensitivity: 0.01 LUX. 170 Wide View Angle. True Color Reproduction
Product brand: Power Acoustik
Target attributes: Screen Size
Answer: attribute: screen size
value: None
source: None