Doberman Security SE-0106-4PK Ultra-Slim Window Alarm (4 Pack)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>DETECTS WINDOW VIBRATION – Instantly alerts you of a potential break in with loud 100 dB alarm</li><li>UNIQUE ULTRA-SLIM DESIGN – Perfect for your home， office， garage， dorm room， or even RV</li><li>VIBRATION TRIGGER TECHNOLOGY – Built-in vibration sensor perfectly tuned – will not go off in rain， wind， etc. NO FALSE ALARMS</li><li>EASY INSTALLATION – Simply peel and stick， no tools needed. Warning sticker on backside deters theft</li><li>INCLUDES 3 BUTTON CELL BATTERIES (LR44)</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51pydpCI2AL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51AUF38IRQL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31m1XncdZXL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31XVeEHr%2B6L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/61R2V3g-Z0L.jpg" noproxy>