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: BayouTech OTG G1 Portable Solar Power Bank Charger and Battery Pack for Smartphones and Tablets
Product description: Fast charging, versatile, rugged, with 2 USB ports. Just over 1 hour of sunlight charges an iPhone as fast as a wall outlet. Charges an iPhone up to 2-3 times. Add more charging power and portability with removable BayouFuel battery pack (available separately). Rugged, water and dust resistant. Charges: iPhone/smartphones, iPad, iPods, MP3/MP4, USB cameras, GPS, PSP/handheld game consoles, reading tablets and more. Special Features: Reading light (35 lumens), Flashlight, SOS signal.
Product feature: Just over 1 hour of sunlight charges an iPhone as fast as a wall outlet., Rugged, water and dust resistant., Charges: iPhone/smartphones, iPad, iPods, MP3/MP4, USB cameras, GPS, PSP/handheld game consoles, reading tablets and more., Special Features: Reading light (35 lumens), Flashlight, SOS signal
Product price: $14.84
Product brand: Gatorwire
Target attributes: Type
Answer: attribute: type
value: power bank
source: product title
attribute: type
value: battery pack
source: product title
attribute: type
value: battery pack
source: product description