Loznron Silver Metallic Electronic Locks  (Silver)

Dual Function: The bottom with mesh rubber can prevent the door sliding. With alarm switch, it can be used as a door stop alarm or door stopper. Kindly notice: Door stop alarm fits for the inner pull door which the seam gap is 0.6 to 1.2 inch. Powered by 9 volt battery (not include). 3 Level of Sensitivities: There are high, medium and low levels of adjustment, and the pressure sensitivity can be adjusted according to different situations. Compact Size: The door stop alarm is lightweight and compact. The weight is only 4.5 ounces. You can easy to carry around to go anywhere. Loud Alarm: Alarm volume up to 120 DB. The loud alarm can scare off intruders and alert the homeowner. It can better protect you and your family. Safe and Easy to Use: No installation needed, simply place the alarm behind any door (at home, in a hotel, etc.) for all-day peace of mind.