Avoid Overheating: The integrated cooling fan ensures the 110V to 12V Converter always stays at a safe temperature. The fan cools in virtual silence to avoid overheating and extend lifespan of the power converter Pure Copper Wire: Both the AC and DC wires of the AC to DC Converter are constructed of pure copper, ensuring low resistance and the best transfer of power Reach Further: The total length of the electrical power convert spans over 8 feet, ensuring an outlet is never out of reach Safety Importance: 15 Amps of range ensures practically any appliance can hook up to this AC to DC adapter without overpowering the device Professionally Certified: CE, FCC, and RoHS approved