2 Pack Home Security Door Alarm, 4-in-1 Wireless Window Fridge Alarm Doorbell Chime Loud 108dB Alert, Adjustable 2/5/10…

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【4-in-1 Door Alarm】: 1. General alarm. When the door is closed, it will stop; 2.Constant Alarm. It will continue to alarm, even if you close the door; 3. Delay alarm. You can set a time interval freely, such as 2/5/10/20s, the alarm will gradually increase the volume from 0dB-108dB; 4. Doorbell mode. Sounds “Ding Dong” when the door opens.
【Door & Window Alarm】: It can be used for doors, windows, refrigerators, file cabinets, pool sliding door etc. 108dB alert sound can effectively deter the invaders/thieves. At the same time, it can notify you what’s happening.
【Battery Powered】: This door alarm needs 2*AAA Alkaline Batteries. You could choose “no battery” or “4*AAA”. When the power is low, the LED light on the alarm will flash once a second as a reminder.
【Simple Installation】: Just peel the sticker and stick it directly at the place you want to install. First please make sure which place you want to stick.
【Warranty】: During installation, the distance between the alarm and the magnetic strip must be less than 10mm. And our warranty period is one year. If you have any question please contact us.