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 +/-3degrees F (+/-1.6degrees 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 Monitor 17 Series Tub & Shower Trim with In2ition