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: Equity by La Crosse 30017 1.8" LED Display Tilt Clock with Alarm, X-Large
Product description: Adjustable viewing display as clock features tilting head forward or back. Hi/Lo light adjustable dimmer & sound volume. Electric alarm clock (requires 9V battery for backup) with 1.8 Inch of led digits.
Product feature: Extra large time digits, 15 degree range forward/back tilting display, Hi/lo dimmer, Hi/lo alarm sound, Snooze duration of 9 minutes
Product price: $17.23
Product brand: Equity by La Crosse
Target attributes: Type
Answer: attribute: type
value: led
source: product description
attribute: type
value: led display
source: product title