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: Ansmann 1600-0067 Agent Professional LED Penlight
Product description: Agent penlight with high luminance. It is compact and sturdy. Perfect for those not wanting to carry around a bulky flashlight.
Product feature: Extremely bright due to white NICHIA quality LED. Built-in lens technology, Easy handling due to practical end cap switch. Housing made of robust aircraft style aluminium with Clip. Splash proof IP54, Brightness: 20 lm. Beam distance approx. 35 m, Operating time in continuous use approx. 12 h, Incl. 2x Alkaline Micro AAA batteries
Product brand: Ansmann
Target attributes: Beam Type
Answer: attribute: beam type
value: None
source: None