Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: Smart Buy SDHC Class 4 Flash Memory Card SD HC Secure Digital C4 Fast Speed for Camera (16GB (4-Pack))
Product description: Smartbuy Features:, SDHC (Secure Digital Card with High Capacity) is introduced to meet your demand for a better quality of life., Conforming to SD Specification 2.0 version, SDHC not only provides high-speed data transfer, but it is also compatible with most of SDHC portable devices in the market., The SDHC is the best choice for you to store all kinds of data including MP3, high-definition photos and video etc., Important notice: Not all devices support SDHC memory cards. Please check compatibility with your device manufacturer before purchase. We are not responsible for any incompatibility issues.
Product feature: Brand New SDHC Class 4 Flash Memory Card, Built-in Error Correcting Code (ECC) to detect and correct transfer errors. Supports Content Protection for Recordable Media (CPRM)., Allows In System Programming (ISP) for updating firmware. Support auto-standby, power-off and sleep modes. Mechanical write-protection switch., Waterproof, Temperature Proof, X-Ray proof. Support FAT32 (SDHC) file system., Packaging: Retail Box Package. Warranty: 2 Years (Undercover by Smartbuy-Depot)
Product price: $42.32
Product brand: Smart Buy
Target attributes: SD Format
Answer: attribute: sd format
value: sd hc
source: product title
attribute: sd format
value: sdhc
source: product feature
attribute: sd format
value: sdhc
source: product title
attribute: sd format
value: sdhc
source: product description