eva logik modern ultra-thin window alarm with loud 120db alarm and vibration sensors compatible with virtually any window, glass break alarm perfect for home, office, dorm room- 8 pack eva logik description: protect any window with the eva logik security window alarm. simply peel and stick the device to any window. <br>its sensor detects vibration and emits a 120 db alarm to alert you of a potential break-in. <br>the ultra-thin design of this alarm makes it perfect for use with any windows. <br><br> <b>features:</b><br> -perfect for securing your windows and doors<br> -when triggered it can produce a very loud 120db alarm <br> -very easy and fast to install<br> -low battery indicator <br> <b>specifications:</b><br> alarm: >120db spl/30cm<br> power supply: 2 * aaa batteries<br> dim.: 78*78*16.49mm<br> <b>package includes:</b><br> 8 * eva logik window alarm<br> 8 * warning sticker<br> 1 * user manual<br>