Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: AjustLock 4" Barrel Bolt Lock (Brass)
Product description: Suitable for both residential and commercial buildings, AjustLock 4 Inch Brass Tone Barrel Bolt Lock can be used to secure most of the standard room doors, bathrooms, gates and stalls properly. It solves the common problem whereby doors, gates and stalls get misaligned due to loosening of hinges, and the barrel bolt lock to no longer secure the door properly.
Product feature: Well-suited for standard room doors, smaller gates/bathrooms in houses, apartments,corporate offices, Ajustable Catch handles misaligned doors, Durable Case, Bolt and Strike, Material: Steel with yellow zinc finish, The screws are included
Product brand: AjustLock
Target attributes: Power Type
Answer: attribute: power type
value: None
source: None