Instruction: Given the title, description, feature, price, and brand of a product and a set of target attributes, extract the value of each target attribute from the product information. Output the extracted value and the corresponding source (e.g., title or feature) denoting where the value is extracted.

Input:
Product title: Underwater Kinetics SL4 eLED (L1) Dive Light
Product description: At 400 lumens with 10 hours of burn time, the high intensity LED and incredible battery life of the SL4 eLED (L1) will give you the light you need at work or at play. With its compact size and narrow penetrating beam, this secondary dive light tops the charts for international dive travel or can be used in a variety of industrial, fire or utility applications that require a lot of light, along with complete waterproof reliability. Although it is not certified for use in hazardous gas locations, it is small enough to fit in your toolbox and, with our famous waterproof construction, it will give you years of rugged, worry-free use
Product feature: High brightness and extended battery life minimize need to change batteries, Single handed switching with thumb or index finger, LED will not break when dropped and lasts thousands of hours
Product price: $3.71
Product brand: Underwater Kinetics
Target attributes: Bulb Type
Answer: attribute: bulb type
value: eled
source: product title
attribute: bulb type
value: led
source: product description
attribute: bulb type
value: led
source: product feature