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🚨 Slim, loud, and smart — security that fits your lifestyle.
The Defender Ultra Slim Window Alarm 2 Pack features a cutting-edge 130dB vibration sensor siren designed to detect glass break and window smash attempts. Its ultra-slim profile and easy adhesive installation make it perfect for modern homes and offices. Police-accredited for quality and reliability, it includes warning stickers to visually deter intruders, providing a comprehensive security solution that’s both effective and stylish.
| ASIN | B0CVNJZX84 |
| Battery Description | Alkaline |
| Battery description | Alkaline |
| Best Sellers Rank | 16,045 in DIY & Tools ( See Top 100 in DIY & Tools ) 15 in Home Security Door & Window Sensors |
| Brand | Defender |
| Colour | Black/Silver |
| Compatible Devices | Home Security System |
| Compatible devices | Home Security System |
| Control Method | Touch |
| Country of Origin | China |
| Customer Reviews | 4.1 out of 5 stars 187 Reviews |
| Included Components | Adhesive Warning Sticker & Batteries |
| Item Dimensions L x W x H | 10L x 51W x 62H millimetres |
| Item Type Name | Window Alert Alarm |
| Manufacturer | Solon Security |
| Model Number | EL00231 |
| Mounting Type | Window Mount |
| Number of Batteries | 6 LR44 batteries required. (included) |
| Number of Items | 2 |
| Number of batteries | 6 LR44 batteries required. (included) |
| Part Number | EL00231 |
| Product dimensions | 10L x 51W x 62H millimetres |
| Sensor Technology | Vibration Sensor |
| Size | Ultra Slim |
| Sound Level | 130 Decibels |
A**R
I love it.
I only got it today and stuck them on the bottom right of the downstairs window glass and gave it a few knocks and boom, the alarms went off. Imagine how quickly it would go if a hard object were to hit the glass! So far, so good. And I like how it has the warning sticker to alert intruders. Great product and easy to use, not to mention the slim design and great adhesive. Not expensive and well packaged. Sensitivity is great as the goal is to be alerted for break in or broken glass, not tapping on the glass.
A**R
Good loud noise if activated.
Great price. Makes a very good loud alarm if activated. Have placed on all windows.
A**T
Works well but goes off by itself
Goes off by itself
A**S
Unpack & fit as required
Purchased for front/ back door alarm protection after attempted kicking/ break in whilst asleep at night. Excellent value, quality, noise level, functionality & easy to install, much smaller than I was expecting, which gives the user a wide variety of fixing areas, plus this product is Police approved!
S**J
They don't work.
I put one on the window next to my door. I first tried opening and closing the door, as when I do this a vibration goes through the glass window. Nothing happened. I slammed the door, still nothing. I banged on the window, then banged next to the alarm, still nothing. I tried the second alarm, same result. I tried with both of them on the window, still nothing. I gave up. The only time the alarm went off was when I had peeled one of them halfway off the window and even then I wasn't impressed with the noise level of the alarm. If I could give no stars I would. Don't waste your money.
F**H
Worth buying?
Compact, warning stickers are not stuck aligned so look rubbish from outside. They work but I would like if they were more sensitive so alarm triggers sooner
A**R
feel little safer when home alone
good little gadjet any movement on the door and it sets alarm off. feel safer at night .
F**E
Extra deterrent
They easily stick onto glass windows and doors. They have a loud siren but we’ve only tested them, thankfully not had them put to use. They are just another deterrent which create a lot of noise but were recommended by our local neighbour hood watch team.
P**O
sottili e funzionali
sono molto utili trasmettono sicurezza
D**T
scarsa qualita'
FUNZIONANO MA MEDIOCRI.....
Trustpilot
2 weeks ago
1 month ago