Instruction: First, identify the target attributes from the provided list. Then, scan the product title, description, feature, and brand to extract the values associated with each target attribute. Finally, create a list of dictionaries, each containing the extracted attribute, its corresponding value, and the source where it was found.

Input:
Product title: Sunwayman M40A Cree XM-L U2 Magnetic Control LED Flashlight, Black
Product description: CREE XM-L U2 LED, with a lifetime of 50,000 hours; Three modes constant output, one strobe mode (below is the output and runtime of using 4 AA 2600mAH Ni-MH batteries)Three modes constant output: 645 Lumens (1.5 hrs.)- 200 Lumens (6 hrs.)- 30 Lumens (35 hrs.), Strobe mode:645 Lumens (1.5 hrs.)Digital Sensor Magnetic Control system, slightly twist the Rotator Ring to select from different modes Digitally regulated output - maintains constant brightness Effective range of 250 meters Using 4 1.5V AA(Alkaline, Ni-MH, Lithium) batteries Working voltage:3.3-7VReflector of good quality maintains both great throw distance and spread, perfect beam patternDimension:144mm (length) x 57 mm (head diameter) x 40 mm (body diameter)Weight:237.8g (battery excluded) Aerospace-grade aluminum alloy Military Specification Type III hard anodized Waterproof accords with IPX-8 standard Ultra-clear toughened glass lens resists scratches and impacts Tail stand and can be used as a candle Accessories: lanyard, O-ring.
Product feature: Lumen Output:645/200/30, Runtime:1.5 hrs/6 hrs/35 hrs, Beam Distance:250m, Battery Type:4 AA, Magnetic Control System;237.8g; IPX-8 Waterproof
Product price: $4.33
Product brand: Sunwayman
Target attributes: Bulb Type
Answer: attribute: bulb type
value: cree xm-l u2 led
source: product description
attribute: bulb type
value: cree xm-l u2 magnetic control led flashlight
source: product title