U.S. Alarm Systems
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SAW Door/Window sensor  
Use door/window sensors to protect anything that opens and closes, such as doors, windows, jewelry cases, and gun cabinets. The sensor detects intrusion with a magnet and reed-switch mechanism that signals an alarm during unauthorized entry.  
Features
Installs on anything that opens or closes
For low and average traffic areas
Specifications
 
 
  Crystal Door/Window Sensor
Our Crystal Door/Window Sensor protects anything that opens and closes, such as doors, windows, jewelry cases, and gun cabinets.  
Features
Installs on anything that opens and closes
For low and average traffic areas
Built-in terminal strip for connecting hardwire contacts
Two internal reed switches allow for vertical or horizontal mounting
 
 

 
  Recessed Door/Window Sensor
Wireless flexibility allows door/windows protection even where the sensor must be totally concealed. The sensor is placed in the door frame and the magnet is located in the door.  
Features
Sensors are completely concealed when installed
Lithium battery for long life
Supervision assures proper operation of sensors
 
 

 
  ITI SAW Passive Infrared Motion Sensor
The SAW PIR detects movement inside an enclosed structure.  
Features
Passive infrared detection
Detects movement inside an enclosed structure
Use in large rooms, narrow corridors, and stairwells
3-minute motion lockout to conserve battery life
Two sensitivity settings
Small and unobtrusive
 
 
 
  Single Technology Sound Sensor
The perfect sensor for rooms with several windows, the sound sensor has a 360° range up to 15 feet away.  
Features
Detects sound of breaking glass
Where appropriate, saves the cost of multiple glass break sensors
Wireless technology allows placement where needed, not where it's convenient to run wires
 
     
  Dual Technology Sound Sensor
Our Flexguard Dual Technology Sound Sensor features additional false-alarm prevention measures that detect the shock and hear the specific frequencies of breaking glass before signaling an alarm.  
Features
Detection coverage of up to 25' in any direction
Includes a flex and audio microphone
Adjustable sensitivity
 
     
  Glass Guard Sensor
The Glass Guard glass break sensor mounts directly on glass, making it perfect for homes with big picture windows and for businesses with large storefront glass.  
Features
5' sensitivity radius
Can be mounted anywhere on glass, at least 1" from glass frame
Adheres to glass being protected
 
 
 

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