Door Left Open Alarm with Delay(Instant/30s/1min/2min/4min),Window Fridge Doo…
Door Alarms When Opened: The door alarm sensor features both instant and delayed alert functions. Widely Applicable: No false alarm with this wireless door alarm. The open alarm sensor installs easily on the sliding door, window, front door, patio door, fridge,freezer,refrigerator, garage,cabinet, drawer, and more.