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

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

Price: £19.99 from ManoMano UK