us patrol 82-5338 100 db alarm security dual function alarm and door stop
this dual function alarm and door stop keeps intruders out . as soon as someone pushes the door the 100 db alarm will warn you that someone is trying to enter . an effective way to frighten away intruders . no installation required . secures any hinged door and can be used as a non-skid door stop when the power is off . portable . goes anywhere you need to feel protected . requires 2 aa batteries not included . measures 2 x 5.5 x 1.5-inch .