Freezer Door Alarm With Delay 3/15/30/60 Fridge/pool Door Alarms For Security The extended refrigerator door alarm, widely used, is an upgraded version with a delay of 3/15/30/60 seconds for you to choose from. The magnetic triggered door alarm sensor protects homes through door and window entrances, suitable for safes, closets, refrigerators, refrigerators, sliding doors, shops, offices, apartments, hotels, etc.[4-in-1 multifunctional, easy to use] Four modes meet your multiple choices: normal alarm, continuous alarm, delay (door closing alarm), and doorbell. Simply press the button to select the function you want without the hassle of selecting settings.The 108dB sound is sufficient for your home safety. The door and window alarm system effectively prevents intruders/thieves through the 108dB sound.[Professional security system, easy to install] Easy to peel off and stick installation, low-power design, providing convenient and long-lasting protection period. You can work for more than two years.Refrigerator/refrigerator/refrigerator door delay alarmFrench door alarm for family/child safetyA volume of 108 decibels is enough to scare away thieves.Help take care of your lovely baby or pet.Powered by 2 high-quality AAA batteries (not included)1) Fidge, refrigerator, freezer door alarm reminder.2) Door and window alarms for household safety3) Cabinet door alarm in store security.Make yourself the master of life.