This Salt Dogg Electric Stainless Steel Hopper Spreader features a self-contained design that spreads salt, sand and other materials. Ideal for municipalities, shopping malls, industries, hospitals and private contractors. Hopper Capacity (cu. ft.): 2, Recommended Use: Universal, Hopper Material: Stainless steel, Volts: 12, Variable Speed: Yes, Recommended Media: Salt, sand