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

Input:
Product title: Dell Ultrasharp 1702FP LCD Monitor 17"
Product description: Key Features Screen type Active matrix - TFT LCD Screen dimensions 17 inches (17-inch viewable image size) Preset display area: Horizontal 337.92 3 mm (13.3 inches 0.12 inches), Vertical 270.34 3 mm (10.6 inches 0.12 inches) Pixel pitch 0.264 mm Viewing angle +/- 85 (vertical) typical +/- 85 (horizontal) typical Luminance output 250 CD/m typical, 200 CD/m minimum Contrast ratio 500 to 1 typical, 400 to 1 minimum Faceplate coating Antiglare with hard-coating 3H Backlight CCFT (4) edgelight system Resolution Horizontal scan range 31 kHz to 80 kHz (automatic) Vertical scan range 56 Hz to 76 Hz (automatic) Optimal preset resolution 1280 x 1024 at 60 Hz Highest preset resolution 1280 x 1024 at 75 Hz Highest addressable resolution 1600 x 1200 at 60 Hz (UXGA)
Product feature: UltraSharp 1702FP, Flat Panel LCD TFT (Active Matrix), LCD,, Aspect Ratio 5:4, Contrast Ratio 500:1,, Native Recommended Resolution 1280 x 1024, DVI and VGA(HD-15) Interface, Anti-glare, hard coating screen coating
Product brand: Dell
Target attributes: Display Type
Answer: attribute: display type
value: tft
source: product description
attribute: display type
value: tft
source: product feature
attribute: display type
value: lcd
source: product feature
attribute: display type
value: lcd
source: product title