High-torque motor develops 2600 to 2800 RPM Fans have 60-fin blade guard and adjustable base (mount on flat, vertical or slanted surface). Two power options: wire directly to 12-volt system (wiring, switch included) or plug into 12-volt cigarette lighter socket (cord with adapter included). Current draw: 1.4 to 1.6 amps. Choose 2- or single-speed oscillating fans (2 sizes).