2 in 1 Alarm Security Bar

SECURE YOUR HOME FROM INTRUDERS This 2 in 1 Alarm Security Bar is specially made for sliding glass doors and hinged entry doors. As soon as someone pushes the door, the alarm will sound like a powerful siren or barking dog to warn you that someone is trying to enter. The alarm will also sound when it detects any vibrations from the door, for example, if someone attempts to open the door. It's an effective way to frighten away intruders. Easy installation - no tools needed Constructed of heavy gauge steel, it fits inside sliding doors up to 72 wide. Extends 29-43 to fit any door. Uses one 9-volt battery (not included.)

Piercing siren and barking dog alarm sounds Extends from 29 to 43 to fit any door Fits inside sliding doors up to 72 wide