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: Macally IceCam2 Webcam
Product description: Shipping Depth: 2.0 Shipping Height: 6.5 Shipping Width: 5.0 Master Pack Qty: 10 General Information Manufacturer: Mace Group, Inc Manufacturer Part Number: ICECAM2 Brand Name: Macally Product Name: IceCam2 Webcam Product Type: Webcam Display & Graphics Maximum Video Resolution: 640 x 480 Interfaces/Ports Host Interface: USB 2.0 Miscellaneous Platform Supported: Mac Platform Supported: PC
Product feature: High performance and compact USB2.0 webcam with microphone built in for video conferencingDriver-free USB Video Class, Device VGA 640 x 480 resolutionUp to 30 frames per second2-axle swivel joints, Fully adjustable pointing anglesSpring loaded clamp base clips on laptop computers
Product brand: Macally
Target attributes: Frame Rate
Answer: attribute: frame rate
value: None
source: None