Includes water tank, pump motor, 2 thru-deck nozzles, tee fitting, 2 spray nozzles, 16' of below deck clear plastic tubing and 6' of above deck black tubing. Also includes clips to attach tubing to the wiper arm. Each spray head has four adjustable nozzles. Spray nozzles snap onto the end of the wiper arm providing complete spray coverage. Tank capacity: 3 litres. dimensions: 9-1/4"H x 7"W x 4-1/2"D. Volts 12