Orbital adjustment allows fan to tilt up and down and pivot side to side! Three speed energy efficient PSC motor 120V/60Hz Cut-off protect from overheating OSHA and UL approved 3 balanced aluminum blades for quiet operation. Steel wire fan guard and steel tubing stand with rubber feet. Durable powder coating finish. 1 year limited warranty. Power: 159 Hi; 147 Med; 135 Low CFM: 4230 Hi; 3550 Med; 2995 Low RPM: 1500 Hi; 1385 Med; 1280 Low