Glens Key Lock & Safe Company
1147 South State Street, Salt Lake City, Utah 84111-4596 USA 

Phone 801.413.0577    Toll Free 800.451.9727    Fax 801-355-3414
Business Hours Mobile:
Monday - Friday
8:00 - 5:30
Business Hours Shop:    Monday - Friday 8:30 - 5:30
 Saturday 10:00 - 3:00

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"Save time, try us first"
systems for business,
home and industry.
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Easily integrates with your access control system

Audio intercom systems
Audio-video intercom systems
C123L/A MK-1MD/A
  • Open voice door answering with door release control.
  • System automatically turn off after 15 seconds.
  • Optional 2nd room station available.
  • Communication volume control.
  • Battery or DC powered.
  • Door release & hands free audio/video monitoring.
  • Add-on Monitor or handset station available.
  • Easily replaces existing door bell system..
  • Wide angle view 70°  vert., 90° horiz.
  • Boxed set with power supply.


These are just two of their most popular products.
To see the full line of products, click below. 
Link to factory site.