Koolance ADT-EX004S AC Power Adapter for EXT/EX2 Systems Power adapter and inverter to operate Koolance 12V DC cooling systems from a wall plug. This kit includes an AC wall inverter (auto-switching 100-240V 50/60Hz, 5.0A 12V), power cable, adapter box, mounting screws and pads. The adapter provides all connections normally found on Koolance slot interface adapters (3 temp sensors, 2 fan headers, 1 ATX shutdown lead). It is designed to attach directly to the cooling system's rear DB9 plug. Made of lightweight aluminum, 2.2" x 2.2" x 0.8" (5.5cm x 5.7cm x 2cm).