Wsdcam 2 Pack Door Stop Alarm with 120DB Siren Door Stopper for Home &amp; Travel<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>[Dual Function]: Can be used as a door stop alarm and door stopper， Its high damping rubber bearing can prevent the door sliding and prevent the bad guys into. A protector around you. Can be used in home and travel.</li><li>[3 Level of Sensitivities]: Hige-Midium- Low Sensitivities. Which depends on the distance door touch the door stop alarm.</li><li>[Loud Alarm]: Very loud shrill that would definitely scare someone away with 120db alarm. Weight: 4.5 oz.</li><li>[Powered by 9V Battery]: The door stop alarm powered by 9V battery， One piece can be used for a year under normal circumstances. Very practical. (Note: Battery not include)</li><li>[Easy to Use]: NO installation required， Simply place the alarm behind any door (home， hotel， etc). very convenient to take with you when travel or stay indoor alone. A really must have around you. Especially for girls.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41L-RDBUGOL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41R3Yg8TZkL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51eO2NJn3WL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/317PjuIiNeL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51J588WlK8L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41xk0VqRvPL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41%2BhKfvPK2L.jpg" noproxy>