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: NewNow 40W 6 Port Portable USB Wall Charger Travel Power AC Adapter Desktop Tablet Charger for Apple iPhone 6S, 6, 6Plus, 5, 5S,iPad Air, Mini Samsung Galaxy Note, Google Nexus, HTC One and the others USB Devices
Product description: Specifications: Input: 100-240V/1.1A 50-60Hz AC Output: 5V, 8A Output Power: 40W Plugs: USA Plug USB Port Number: 6 Cable Length: 3.94 ft Dimensions: 4.17 * 3.19 * 1.18 inches (L*W*H) Weight: 6.19 ounces 40W AC wall charger with 6 USB port High efficiency and low energy consumption Provides standard USB 5V and Max 8A Output Compatible with all the electronic products that get recharged via USB cable, such as all the smartphone, iPhone, Samsung, HTC, all the tablet PC, iPad, Power Banks, Rechargeable Bluetooth Speaker 6 USB power ports charge up to Six devices simultaneously through just one socket eliminates the need for multiple chargers and outlets Compact and light weighted, easy to operate Great products for home, office, travel and other indoor using Package includes: 1 x 6 USB Port Charger with 3.94 ft Cable
Product feature: NewNow 40W 6-Port Desktop Charger. Full speed charging for all your devices., An industry-high 40 watts / 8 amps through 6 ports charges all your phones, tablets and other devices simultaneously., Built with industry grade materials and premium circuitry, this product is CE, FCC and RoHS certified to ensure complete safety and reliability., As small and light as your average pocket wallet, it's the most compact 40W charger on the market and smaller than some 30W options., At NewNow, we believe in our products. That's why we back them all with an 12-month warranty and provide friendly, easy-to-reach support.
Product brand: NewNow
Target attributes: Maximum Output
Answer: attribute: maximum output
value: 5v
source: product description