Lift-assist function helps children, elderly, and disabled to open and close Soft-close damper eliminates panel from slamming shut on hands and fingers Damper function engages at low angles (does not need to be fully opened to soft-close) Stopper holds panel at 95 to prevent over-rotation Surface-mounting allows retrofit into existing countertop passagesWARNING: This product can expose you to acrylonitrile, butadiene, styrene, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65WARNINGs.ca.gov.