Instruction: Analyze the query and product title to assess the level of relevance between them, and then output the corresponding option that best describes this relevance.

Input:
Query: security camera system wireless
Product: [Expandable 8CH,2K] Hiseeu Wireless Security Camera System with 1TB Hard Drive with One-Way Audio,8 Channel NVR 4Pcs 1296P 3.0MP Night Vision WiFi Security Surveillance Cameras DC Power Home Outdoor

Options:
A: The product is relevant to the query, and satisfies all the query specifications.
B: The product is somewhat relevant. It fails to fulfill some aspects of the query but the product can be used as a functional substitute.
C: The product does not fulfill the query, but could be used in combination with a product exactly matching the query.
D: The product is irrelevant to the query.
Answer: A: The product is relevant to the query, and satisfies all the query specifications.