Product details:

Toto Model Number: tet3uar#ss The water-powered turbine in the EcoPower flush valve charges the power supply during usage and provides maximum performance in even the most demanding, high-traffic commercial spaces. Features: 4" x 4" Stainless Steel cover plate with tamper proof screws Hydropower self-generating system Manual flush override Self Adjusting detection range Automatic maintenance flush after 24 hours of inactivity This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects, and other reproductive harm. Water Conservation Requirements Water efficiency standards for plumbing products such as faucets, toilets, and showerheads vary state to state. This product meets water efficiency standards and is eligible for purchase in all contiguous U.S. states.