4VWIN Magnetic Fastening Kit Quick and Easy Installation for Ceiling Mounted Security Driveway Alarm, Ceiling Mounted Wireless Doorbells or Motion Sensors 2 PACK
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<li>It is easy and fast to install and it needs only need 10 seconds to install alarm,so fast.</li>
<li>We use double face 3M glue,thick metal,2 magnets,all these make sure this intall tool high quality</li>
<li>It can be used for smoke detectors, fire detectors, gas detecors, water detectors, combo detectors, some cameras, all kinds of ceiling and ground monted products</li>
<li>Warning: Area needs to be thoroughly cleaned prior to installation. This 3M product will not stick to dirt or grime! Please be sure to clean and dry the area first.</li>
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