[Freezer Door Alarm with Delay and Widely Use] Upgraded versions with 3/15/30/60 seconds delay for your choice. Magnetic Trigger Door Alarm Sensor Protecting Home Through Door Window Entrance, Suitable for Safe, Closet, Freezer, Fridge, Fridge, Sliding Pool Door, Shop, Office, Apartment, Hotel, etc. [4 in 1 multi-function and easy to use] 4 modes meet your multi-options: general alarm, constant alarm, delay (alarm on door closing) & doorbell, just press the button to select the function you want with no hassle to select the setting. [108dB loud enough for your home security] Door and window alarm helps deter effectively intruders/thieves with a loud 108dB alarm. [Professional security system through easy installation] Easy peel and stick installation and low power design that provides convenient and long-lasting protection term. You can work more than 2 years. [Alarm sensor with 2 high quality AAA batteries for each set] Please let us know if you have any questions or need any assistance. We are glad to hear from them. Freezer/Fridge/Refrigerator Door Alarm with Time Delay French Door Alarm for Home Security / Child Safety With 108dB loud enough to scare away the thief. Help take care of your lovely baby or your sweet pets. 1) Fidge, refrigerator, freezer door alarm reminder. 2)Window door alarm for home security 3)Cabinet door alarm in store security. Make yourself the master of life.