Portable vibrating shaker for 5 gal bucket screens. Screens are not supplied. 30W 120V AC motor. Reinforced 5 gal steel oail will last long time. The 3.5 gal white bucket reciever fits snuggly into the pail with rubber strips to preclude any vacuum seal allowing easy removal for pouring. A 150W inverter is available as an option to run from a small 12V dc battery source in the field.