Diverter lever sets In2ition Two in One shower to one of three options: showerhead and hand shower, showerhead only, and hand shower only Monitor pressure balance valve keeps water temperature within a safe +/-3Degree F (+/ 1.6Degree C), helping to protect you from sudden changes in hot or cold water pressure Pause feature reduces the water to a trickle, allowing you to conserve water while doing tasks such as lathering up or shaving your legs Soft, rubber spray holes allow you to easily wipe away calcium and lime build up from the spray face of your showerhead and hand shower with the touch of a finger Trim kit only, must order MultiChoice universal rough in separately to complete the unit Metal