company products news contacts --please select-- Alarm Combo Bag Protector Alert Burglar Window Alarm Door Chime Security Set Drawer and Closet Alarm Electronic Defense Whistle Entry Defense Alarm Infrared Home Defender Infrared Perimeter Protector Alarm Mini Mobile Alert Power Button Safety Signal Alert Wireless Window Sensor Credit Card Reminder Traveler Defense Alarm Security USB Light Water Detector Alarm Home » Products » Home Security Line » SE-0109 Entry Defense SE-0109 The frontline of home security Triggered when protected door/window is opened High quality, resillent material Easy battery replacement The Entry Defense is doberman's most basic unit. It is easy to operate, effective and loud. Using two magnets to form an electrical circuit, the opening of a protected window or door breaks this connection and automatically alerts you of an intruder. Doberman's Entry Defense is priced to be affordable to protect every room and entryway in your home. Copyright © 2005-2006 Doberman Security Products, Inc. Privacy Policy  |  Terms of Use