"GE" WINDOW/ DOOR ALARM *2 pack *Alarm sounds when window or door is opened *Includes two alarm sensors that can be attached to windows, doors, sheds, cabinets, gates and more *Two sound settings:120 decibel siren and door chime greeting *Easy access off/chime/alarm switch *Low battery test button *Each alarm requires 4 LR44 batteries (included) *For indooruse only *Replacement battery Ace No. 3115581 (mfg no. 76A) *90 day limited mfg warranty *Discovery SUP