Safety Technology Inc. S063K Wedge Guard

The Wedge Alert helps stop intruders in more ways than one. Place the Wedge behind a closed door. When the door is opened it helps prevent the door from being opened and emits a piercing 120 dB alarm. Uses a 9 volt alkaline battery (not included).

Features:

• Portable door alarm. 
• Helps stop unwanted entry. 
• Emits a piercing 120 dB alarm. 
• Ideal for home or travel. 
• Operates on a 9 volt alkaline battery (not included).
• Note: End user must verify the alarm and battery every six months and replace battery annually or as required.