Freezer Door Alarm When Left Open, 3/15/30/60 Seconds Adjustable Delay Wireless Fridge Alarm, 4-in-1 Door Sensor Chime Door Open Alarm Loud 108dB, Refrigerator Alarm 2 Pack

Want the Alarm to Go Off If the Freezer/Fridge/Doors/Windows are Always Open?
Yes, we're here to help! This alarm has a delay feature that makes it super easy to set the delay time to suit your needs;
If the freezer/fridge/door/window stays open for up to 60 seconds, it will let you know. 3/15/30/60 seconds adjustable delay time;
If the door stays open for 3/15/30/60 seconds, it will make a "Di-Di-Di" sound from 0dB to 108dB. No more worrying about forgetting to close doors and windows, wasting food, making it spoiled and wasting electricity.

Freezer Door Alarm with 108 dB Loud Alarm, Gives You Peace of Mind
Product size: 3.4*1.7*0.6 inch;
Low consumption design, they can work for over 2 years;
Wireless alarm battery operated, it need two aaa alkaline batteries ( not included );
Low battery warning, when it need replace batteries, the led light will flash once every second;
Self-adhesive, easy to install and operate, all you need to do is peel off the adhesive tape that comes with the alarm and sensor and stick it on in the direction of the arrow.