Extend the use of your Endless Breeze fan and many other 12-volt accessories to wherever there is a standard household wall outlet. This AC power adapter converts 110/120 volt AC power (standard electrical outlet) to 12 volt DC power (vehicle cigarette lighter plug) for powering Endless Breeze fans and any other auto accessories rated at 5 amps or less. The Koolatron Power Adapter is designed to plug directly into all standard household wall outlets. It features lightweight, solid state construction with overload and overcharge protection.