The simplehuman butterfly sensor can features multi-sense(TM) technology. It reacts and adapts to your behavior, so it won’t open unexpectedly or close before you’ve finished your task – very sensible.
multi-sense?: Our sensor adapts to your tasks. It?s touch-free technology that?s in sync with your needs.
ready mode: The trigger zone is a focused space directly above the lid ? easy to reach, but precise enough to avoid false triggers.
task mode: Once the lid is open, the trigger zone extends to become more sensitive to activity, so the lid won?t close before you?re finished.
stay-open mode: After 3 seconds of continued activity, the lid automatically opens wider and switches to a 30-second stay-open mode ? great for longer chores.
butterfly lid: Split doors open from the center for maximum clearance under low countertops.