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: Aduro DVR Digital Video Camera HD Video Recorder Car Key (Black)
Product feature: Secretly record your daily interactions with the aid of this camera, which is shaped like a car key but records HD quality video, Record on the Sly - Whether you're an investigative journalist seeking a big undercover scoop or just someone wanting a record of your day, this camera can help you out. Shaped like a car key, the camera peeks out through a pinhole to record., Built-in microSD slot (provide your own microSD card), Built-In Rechargeable Lithium Battery, HD-Quality Video - Though the camera may be tiny, it pulls in high-quality video; in fact, the video is HD quality, so that you can watch it on a computer later and see all footage clearly., Aduro lifetime warranty included - for complete piece of mind. Aduro - Protect what you love!
Product brand: Aduro
Target attributes: Field of View
Answer: attribute: field of view
value: None
source: None