120 DB Loud Door and Window Open Alarm Sensor 3 Pack for Kids, Dementia Patients Safety, Burglar Anti-Theft Wireless Security Alarms Keep Your Home, Pool, Cabinet, Business Safe

I bought 2 packs on this and it didn’t work. When you turn it on even there’s no sensor it’s making alarm.

I have a small child who likes to let herself out unannounced. After a couple times of this I installed these. Super easy. Just peel and stick. On and off switch. Now I don't have to worry about my child wandering off. Also even tho it's not a security system it's so loud that if you were an intruder it would probably make you change your mind about proceeding.

Notre enfant fait du somnambulisme et a tenté de sortir de la maison, ce qui m'a paniqué, nous avons installé ce mécanisme après la porte et dès que la porte s'ouvre, le mécanisme Crit et nous réveil. j'adore.

I purchased this for my father who has dementia, and let me tell you it is very loud and is extremely helpful. When he tries to open the door and wander the alarm makes him alert and he closes it immediately.

These work extremely well and are very loud. I installed in my apartment on my emergency exit door and my balcony door. I have a 2 year old nephew who has learned to open doors. I have traditional exterior doors on both these locations and the handles and dead bolts are a little lower than standard. Which make them perfect height for a 2 year old... while it's funny but not funny, after being successful at opening the balcony door with the standard door knob many times within seconds of stepping into the kitchen or answering the front door. The sudden, loud and alarming noise scared the hell out of my nephew and me. But happy to report that one time was enough to discourage him from opening doors he knows he's not allowed to open. #scaredstraight #IthinkIpooped

Super easy to set up. I wanted this because my toddler learned to open the front door. I want to be sure that if I'm in another room and she opens the door I'll know... and this alarm does the job! If I like that I can turn it on and off as well.