U.S. Patrol Door Alarm Security Bar

Sure to protect from intruders just as well as those super expensive, complicated alarms! Heavy gauge steel tension bar wedges between the underside of the doorknob and the floor preventing the door from opening; rubber ends prevent slipping and scratching floors. Alarm sounds whenever the doorknob is touched. Choose from siren sound or barking dogs. Bar extends from 29" to 43", so it can be adjusted to fit any door. Hurry and get the BONUS Door Stop Alarm FREE with your order! Don't Wait!