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 GUARANTEE: 15 Amps of range ensures practically any appliance can hook up to this AC to DC adapter without overpowering the device PROFESSIONALLY CERTIFIED by CE, FCC, and RoHS approved