The SEGUMA EV Charger Extension Cable is a durable and reliable option for charging your electric vehicle. With a length of 21ft and a power rating of 40Amp, this extension cable is compatible with both 240V and 110V systems. The black cable is designed for use with SAE chargers and features a high-quality construction to ensure a secure and efficient charging experience. The model number EV-AC05001U indicates the specific design of this cable for electric vehicles.