The Waterpik SM-453 PowerSpray handheld showerhead has 4 functions: full body, pulsating massage, slow massage and full body + massage. It also has 3 pulse modes: steady pulse, turbo pulse and spray pulse, so you can choose the one that"s just right sfor you. This full-spray shower head has 60 spray channels and produces up to 2800 pulses per minute at 80 psi for a totally relaxing shower experience. Its OptiFLOW technology channels water to create an effective flow, even at low water pressures. The 5" long flexible hose offers great maneuverability. This showerhead resists corrosion and rust. Some assembly required.