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: DEI 4113A Automate AM6.2 1-Way Remote Start System with Two 4-Button Transmitters
Product description: Dei AUTOMATE AM6.2 1BT REMOTE START W/KEYLESS ENTRY DEI 4113A - Automate AM6.2 1-Way Remote Start System with Two 4-Button Transmitters
Product feature: AM6.2, Remote start, Keyless entry
Product brand: DEI
Target attributes: Type
Answer: attribute: type
value: keyless entry
source: product feature
attribute: type
value: keyless entry
source: product description