Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: SureFire Titan Plus Keychain Light Ultra Compact Triple Output LED 300 Lumen Flashlight Titan-B w/ 2X Extra Rechargeable Energizer AAA Alkaline Batteries and LightJunction Keychain Light
Product description: Includes: Surefire Titan Plus, 2x EXTRA Rechargeable Energizer AAA batteries and Lightjunction Keychain light, Features:, -Virtually indestructible, high-performance LED is regulated to maximize output and runtime at three useful levels: 300, 75, and 15 lumens, -Proprietary faceted reflector creates broad, smooth MaxVision Beam that matches your field of viewand allows for better situational awareness, -Head switchsimply twist counterclockwise repeatedly to activate and set output levels, -Powered by an included rechargeable AAA NiMH battery; can also be powered by a single readily available AAA alkaline battery, -Removable pocket clip allows countless secure-carry options, -Included stainless steel split ring securely attaches to keys, -Backed by SureFires No-Hassle Guarantee, Specifications:, -Max Output: 300 Lumens, -Max runtime: 7hrs, -Max beam distance: 66 meters, Battery Power, -1x AAA (included)
Product feature: Max Output: 300 Lumens, Max runtime: 7hrs, Max beam distance: 66 meters, Powered by an included rechargeable AAA NiMH battery, Includes: 2x Extra AAA Rechargeable Energizer Batteries and Lightjunction Key Chain Light
Product brand: SureFire
Target attributes: Weight
Answer: attribute: weight
value: None
source: None