Door Or Window Alarm - 4 Pack

3 adjustable settings (off/alarm/chime); chime mode is ideal to alert you when children or guests are coming and going when you are at home. Superior to other home security products, this premium white alarm looks great inside your home. No wiring needed, plus sensor mounts on either side of alarm for easier set up; 4xLR44 batteries included, provides battery status update with a low battery test button.