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: Nokya Hi-power H8, H9, H11 LED Fog Light Bulb - 6000K
Product description: LED Fog Light Bulb Set - 6000K Note: May not work with cars which have a reflector/cover in front of the bulb. European cars may need error light canceller (sold separately).
Product feature: OEM QUALITY, SAME BEAM PATTERN AS OEM FOG LAMP, ENGINEERED & MANUFACTURED IN KOREA, 10 WATT (1200 LUMEN) CREE LEDs, 24 MONTH WARRANTY
Product price: $126.23
Product brand: Nokya
Target attributes: Bulb Type
Answer: attribute: bulb type
value: led
source: product title
attribute: bulb type
value: led
source: product description