EPtech (6.5 Ft Extra Long) 1A AC/DC Power Charger Adapter For Viefly Nexus V789 E skywolf V33 RC Helicopter EPtech AC Adapters are made with the highest quality materials tested by manufacturer to match and/or exceed specifications of OEM products. Total Cord Length Is Extended to 6.5 Ft(Competitor's Products are only 3-4 Ft )! Input: 100-240V AC 50-60hz. Output: DC. Connector type: Round Barrel/Round tip. Products trademarked EPtech are marketed and sold exclusively by EPtech. We focus on providing quality power products and excellent customer service. EPtech products has a 30 day Money-Back Guarantee, and a 1-year limited warranty ! Buy with confidence!