Multi function handle: Release button helps to easily replace the nozzle. Nozzle rotates 360 degrees to easily treat all areas of the mouth. Water flow On/Off switch allows you to pause water flow. Easy operating control system with 10 settings. Delivers water pressure from 0 to 90PSI with 1400 pulses per minute. Which includes 3pcs standard nozzles +1pc tongue scraper. | Pursonic | | Counter Top Oral Irrigator | White | Best Buy