Designed for the smaller boat. Can be converted to side or transom-mounted pump. Can be used for livewell/baitwell recirculating applications. Low amp draw. Stainless steel shaft. Ultrasonically welded housing. 12-volt, 2 1/2" amps. Height: 3 1/2", width: 2 1/4", weight: 9 oz. No switch adapter. Hose: 3/4" diameter. Thru-hull fitting: 3/4" diameter.