Freezer door alarm when the door is open, 3/15/30/60 second adjustable delay wireless refrigerator alarm, 4-in-1 door sensor bell, loud 108dB open door alarm, 2-pack

Do you want the alarm to turn off if the freezer/refrigerator/doors/windows are left open?
Yes, we're here to help! This alarm has a delay function that makes it super easy to set the delay time to suit your needs;
If the freezer/refrigerator/door/window remains open for up to 60 seconds, it will notify you. Adjustable delay time of 3/15/30/60 seconds;
If the door remains open for 3/15/30/60 seconds, it will emit a "Di-Di-Di" sound from 0dB to 108dB. No more worrying about forgetting to close doors and windows, wasting food, spoiling it, and wasting electricity. Freezer door alarm with a loud 108dB alarm gives you peace of mind. Product size: 3.4 * 1.7 * 0.6 inches; Low power consumption design, they can operate for more than 2 years; Wireless battery operated alarm, requires two AAA alkaline batteries (not included); Low battery warning: when the batteries need replacing, the LED light will flash once every second; Self-adhesive, easy to install. To install and use, all you need to do is remove the adhesive strip provided with the alarm and sensor and stick it in the direction of the arrow. The wireless refrigerator alarm will sound if the freezer door remains open for 3/15/30/60 seconds. You can easily set the delay time to suit your needs. It will only alert you when the freezer door has been left open for 3/15/30/60 seconds, so it won't bother you while you're waiting for the door to open.【Simple peel and stick installation】Easy to install on any freezer/refrigerator or any door without tools, comes with adhesive strips.【This alarm has 4 modes】This is not just a refrigerator alarm, but also a door alarm for home security. It effectively deters intruders/thieves with a loud 108dB alarm and can be used as an open doorbell to notify you if children/pets or others are coming/going. You can easily set the appropriate mode to suit your needs.【4-in-1 mode】 1. Time delay alarm (sounds "Di-Di-Di" from 0dB to 108dB if the door remains open for 3/15/30/60s) 2. General alarm (alarm stops if the door is closed); 3.【Constant alarm (constant alarm even door closed)】4. Door Open Chime (sounds "DingDong" once the door opens)
Low battery warning. Installation note: Ensure the alarm and magnetic strip are closed; the installation distance between them should not exceed 0.78 inches. The two parts must be aligned by their alignment arrows.