Door alarm stopper can prevent the door sliding. Made of ABS and powered by included 9V battery. Easy to use - just place it behind any door. 3 sensitivity levels with volume of 120 decibels to scare bad guys away.

Item features two built-in LED lights for dark, low light areas. Simply push to activate. You can activate the 100-110 decibel alarm by just pulling the pin. Clips to bags, keys, or purse with included carabiner. 1-1/2"x2-3/4"x1"