The compact design of this stirrer works well in shared or limited benchtop workspace. It offers vigorous stirring with alternating current motor for longer life. The rugged construction and plastic top ensure durability. Stir range: 100–1600 rpm. 120 VAC. Top size: 5″ x 5″. Overall size: 3 1/4″ x 5″ x 5″; weight: 4 lbs.