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: Vktech® True Bypass Booster Effect Pedal, Create the Rich Distortion Sound (Booster Pedal)
Product description: Features: True gain booster,double +/-15dB equalization to make the purest sound with lowest lossing Create the rich Distortion sound,and make it more powerful Whole Aluminium-alloy chassis,stable and strong True bypass provides transparent tone Led Indicator shows the working state Specifications: Input impedance: 1M Ohms 1/4 Mono audio interface Output impedance: 10K Ohms 1/4 Mono audio interface Working current: 7mA Power Supply: 9V AC adapter (positive Tip) Dimensions: 95mm (D)*45mm (W)*48mm (H) Weight: 240g (with box) Included: 1*Booster Pedal 1* User Manual
Product feature: True gain booster,double +/-15dB equalization to make the purest sound with lowest lossing, Create the rich Distortion sound,and make it more powerful, Whole Aluminium-alloy chassis,stable and strong, True bypass provides transparent tone, Led Indicator shows the working state
Product brand: Vktech
Target attributes: Effect Type
Answer: attribute: effect type
value: None
source: None