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: Pacaly 5w LED Light Bulbs,E26 25 Watts Equivalent,Day White 6000k,LED Bulbs 5watts - Pack of 6 Units
Product description: Power: 5W Input Voltage: AC100-240V Base: E26/E27 Beam Angel: 240 Luminous Flux: 400Lm Color Temp: 6000K Product Size: 50*99mm
Product feature: Energy saving 80%, Replace the 25W incandescent lamp
Product brand: PACALY
Target attributes: Type
Answer: attribute: type
value: led
source: product title