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

Input:
Product title: Coleman 3AAA LED Headlamp
Product description: The Coleman 3AAA LED Headlamp gives you bright hands-free lighting wherever you need it. It features three bright white, long-lasting 5mm LEDs with two light settings (High or Low) and an easy, top-mounted On/Off button. The included 3 AAA batteries provide a runtime of up to 66 hours on Low and 25 hours on High. The adjustable head strap is designed for secure comfort, and the lamp body is weather-resistant, to stand up to the elements. NOTE: Headlamp color may vary (comes in black, pearl, lime green and red).
Product feature: Three bright, long-lasting 5mm white LEDs, Runs on 3 AAA batteries (included), Comfortable, easy-to-adjust headband, Weather resistant, Runs up to 66 hours on Low and 25 hours on High
Product brand: Coleman
Target attributes: Bulb Type
Answer: attribute: bulb type
value: led
source: product title
attribute: bulb type
value: leds
source: product feature
attribute: bulb type
value: led
source: product description