The Defender Door Wedge Alarm sounds a powerful 125dB siren if someone tries to open the door, helping to deter sneak-in burglars. This heavy-duty, non-slip door wedge its compatible with all flooring types. Battery-powered and easy to use, it also functions as a standard door wedge when not armed. The first wedge alarm to achieve Sold Secure Gold and Police Accreditation via Secured by Design.
