The Seguma EV Charger Extension Cord is a 21-foot 40A cable designed for use with SAE J1772 chargers. It is compatible with both 110V and 240V systems, providing flexibility for different charging needs. Made by the brand SEGUMA and originating from China, this cable offers a convenient solution for extending the reach of your charging setup. With its high-quality construction and compatibility with various voltage levels, this extension cord is a reliable choice for charging your electric vehicle efficiently.Part #EV-AC04001USerial # 250829001I ship fast, or free pick up if in the SF Bay Area.