AutoFlush Toilet/Urinal Flusher automatically flushes both toilets and urinals. Practical unit installs quickly without tools—does not require water to be shut off for installation. Built-in daily flush prevents sewer gas from escaping due to dry taps. Includes courtesy flush button. 5-5/16"Wx3-9/16"Dx3-5/8"H overall. Operates for approximately 60,000 cycles with included batteries. 10-year warranty.