Door Alarm for Home Security, Updated Magnetic Alarm for Kids Safety, Chime Window Alarm Sensor, 110dB, Pool Alarm (2 Pack)

Product Images
Product Features
- ALARM ACTIVATED - when the parts are separated-door opened, close together and stop.
- CHIME MODE - is ideal to prompt you when elder, guests or sleepwalker are opening the door.
- 4 MODES CAN BE SELECTED - general alarm, constant alarm, closing-door alert and doorbell mode. on/off setting. There are videos to follow.
- EASILY INSTALLATED - batteries operated, easy to stick on pool doors/refrigerator/drawer/sliding/interior door for kids safety.
- BUILT-IN BATTERIES - low battery indicator to check battery life easily.
- ALARM ACTIVATED - when the parts are separated-door opened, close together and stop.
- CHIME MODE - is ideal to prompt you when elder, guests or sleepwalker are opening the door.
- 4 MODES CAN BE SELECTED - general alarm, constant alarm, closing-door alert and doorbell mode. on/off setting. There are videos to follow.
- EASILY INSTALLATED - batteries operated, easy to stick on pool doors/refrigerator/drawer/sliding/interior door for kids safety.
- BUILT-IN BATTERIES - low battery indicator to check battery life easily.
Product Specifications
Battery Description | Alkaline |
Number of Batteries | 3 LR44 batteries required. (included) |
Voltage | 1.5 Volts |
Control Method | App |
Noise Level | 110 dB |
Mounting Type | Door Mount |
Sensor Technology | Contact Sensor |
UPC | 664248763174 |
Manufacturer | Changzhou Hengdun Electronic Technology Co Ltd |
Part Number | HDSF19 |
Item Weight | 2.39 ounces |
Product Dimensions | 3.78 x 2.36 x 1.06 inches |
Country of Origin | China |
Item model number | HDSF19 |
Batteries | 3 LR44 batteries required. (included) |
Item Package Quantity | 2 |
Included Components | no |
Batteries Included | Yes |
Batteries Required | Yes |
Battery Cell Type | Alkaline |
Description Pile | Alkaline |
ASIN | B08C7YGSGZ |
Date First Available | August 20, 2020 |
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Product Price History
Price history for Door Alarm for Home Security, Updated Magnetic Alarm for Kids Safety, Chime Window Alarm Sensor, 110dB, Pool Alarm (2 Pack) | |
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Okay Except Battery. These actually did the job and are very loud but the battery does not last over 12 months. 2 months since installed and 2 are already chirping for the battery to be changed. Smh
Don’t be alarmed. These little things pack a wallop of sound when triggered. I placed a bunch of them on all the doors leading out to our swimming pool for safety reasons if there are little ones over at the house. The double as intrusion alarms as well when I arm them at night. They are super easy to install and a good lithium ion battery will last a very long time in these. I highly recommend these.
Don’t be alarmed. These little things pack a wallop of sound when triggered. I placed a bunch of them on all the doors leading out to our swimming pool for safety reasons if there are little ones over at the house. The double as intrusion alarms as well when I arm them at night. They are super easy to install and a good lithium ion battery will last a very long time in these. I highly recommend these.
needs to be reset EVERY time so will replace with another option. I care for a young man with autism that might wander at night. The chime “door bell” mode would be fine but the VERY loud shrill alarm is the default and it needs resetting to the chime mode every time he opens his door and then he is subjected to the shriek siren. No good for what I need.
Door and Window Sensor. It was easy to install but this product didn’t fit my needs. The alarm was loud enough but I needed a device that would give me the option of using a loud alarm or a simple chime to indicate that the door or window had been opened. Although the product description says there is a chime feature, for me, the chime was only an initial sound and then the loud alarm would sound until the door or window was closed.
Door and Window Sensor. It was easy to install but this product didn’t fit my needs. The alarm was loud enough but I needed a device that would give me the option of using a loud alarm or a simple chime to indicate that the door or window had been opened. Although the product description says there is a chime feature, for me, the chime was only an initial sound and then the loud alarm would sound until the door or window was closed.
Sticker sucks. It constantly keeps falling. I had to use a different tape to stay in place
Passed inspection. We purchased these to put on our exterior doors as required by the city when you have a pool installed. The one on the slider sits very closely but the standard exterior door has a (decorative) recessed gap between the frame and the edge of the door of a full ¼” – I didn’t think it would work there, but it has no problem with the gap. They work exactly as described and passed inspection without issue 🙂
Passed inspection. We purchased these to put on our exterior doors as required by the city when you have a pool installed. The one on the slider sits very closely but the standard exterior door has a (decorative) recessed gap between the frame and the edge of the door of a full ¼” – I didn’t think it would work there, but it has no problem with the gap. They work exactly as described and passed inspection without issue 🙂
Nice Alarm for Garage Freezer. I wanted something to alert me if the garage freezer came open. These do the trick. Just remember to turn it off before opening the door, and on after you close it.
Easy to install work great. These work very nice
Hate them. I thought I ordered alerts, it’s so loud.
Really LOUD. Easy to install and use, just decided not to use for my purpose which was to sound a reminder alarm for my kids and nieces and nephews to close the door during the summer. Waaaay too loud!
Really LOUD. Easy to install and use, just decided not to use for my purpose which was to sound a reminder alarm for my kids and nieces and nephews to close the door during the summer. Waaaay too loud!
Very loud. Works well but doesn’t stick well
They do their job. Loud AF. They do what they are supposed to, easy to put up. Good product.
Great price for product. Great price for two window alarms, just what I wanted. Be warned they are very loud. Only time will tell how long they last, these are replacing ones about 10 years old.
Very Loud. I work well, easy to install and battery life is great. It is loud and can be heard in the downstair.
Very Loud. I work well, easy to install and battery life is great. It is loud and can be heard in the downstair.
Very Loud. I work well, easy to install and battery life is great. It is loud and can be heard in the downstair.
Easy to install. It was an easy fix for getting our pool approved.
Easy to install. It was an easy fix for getting our pool approved.
Very Loud. It works great and is very loud. Used it for my sliding glass door that goes to the pool.
Very Loud. It works great and is very loud. Used it for my sliding glass door that goes to the pool.
Very Loud. It works great and is very loud. Used it for my sliding glass door that goes to the pool.
Easy to install and the alarms are loud. Had one fail already though. Like the alarms but one failed already.
Easy to install and the alarms are loud. Had one fail already though. Like the alarms but one failed already.
Easy to install and the alarms are loud. Had one fail already though. Like the alarms but one failed already.
Pool alarm. Got these to pass a pool alarm inspection since our door chime wasn’t good enough, if you’re worried about kids getting out, or scaring off intruders then this is perfect- it’s SO loud. Install was a breeze. We plan on keeping it off unless needed so it’s nice that it’s easy to turn on and off.
Ok for the money. I bought these for a trailer that was broken into. I installed these on two compartment. The alarm is not 110db. These alarms are medium loud. It was not enough to dissuade the theives. My trailer was broken into again. The alarm went off. They stole one of pair of alarms that I bought. Maybe it prevented them from opening the other compartment. You get a different remote for each alarm. I would like to arm them both with one remote. But i understand these are inexpensive. That’s why I say ok for the money.