Home Security and Alarms

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Door Alarms Commerce City CO

Local resource for door alarms in Commerce City. Includes detailed information on local businesses that provide access to portable door alarms, burglar alarms, door wedge alarms, door knob alarms, vibration sensors, and home security systems, as well as advice and content on security door stops.

ADT® Home Security
(888) 542-4123
4910 Fox St
Denver, CO
Description
Get a Security System for Just $99! Protect Your Home and Call ADT® Home Security Today.
Phone Hours
MON - FRI 9:00AM - 11:00PM; SAT 9:00AM - 6:00PM; SUN CLOSED

ADT® Home Security
(888) 542-4123
452 Sabel Blvd
Denver, CO
Description
Get a Security System for Just $99! Protect Your Home and Call ADT® Home Security Today.
Phone Hours
MON - FRI 9:00AM - 11:00PM; SAT 9:00AM - 6:00PM; SUN CLOSED

ADT® Home Security
(888) 542-4123
150 W Grand Ave
Englewood, CO
Description
Get a Security System for Just $99! Protect Your Home and Call ADT® Home Security Today.
Phone Hours
MON - FRI 9:00AM - 11:00PM; SAT 9:00AM - 6:00PM; SUN CLOSED

Eldon Security Guard Svc
(303) 343-3144
354 Havana St
Aurora, CO
 
Securitas Security Svc USA Inc
(303) 751-1000
2851 S Parker Rd # 100
Aurora, CO
 
ADT® Home Security
(888) 542-4123
535 16th St
Denver, CO
Description
Get a Security System for Just $99! Protect Your Home and Call ADT® Home Security Today.
Phone Hours
MON - FRI 9:00AM - 11:00PM; SAT 9:00AM - 6:00PM; SUN CLOSED

ADT® Home Security
(888) 564-9618
452 Sable Blvd
Aurora, CO
Description
Get a Security System for Just $99! Protect Your Home and Call ADT® Home Security Today.
Phone Hours
MON - FRI 9:00AM - 11:00PM; SAT 9:00AM - 6:00PM; SUN CLOSED

Powder Networks, LLC
(303) 698-9900
4601 Quebec StreetUnit C2
Denver, CO
Services
Audio / Video, Home Automation / Systems Integration / Home Networking, Home Theater, Lighting Control, Security / Access Control / Surveillance / Gate Access
Brands
Crestron, Runco, NuVision, Stewart Filmscreens, Marantz, Sonance, Middle Atlantic, Velodyne, SunFire, M&K, Russound, Polk, Harmon Kardon, Samsung, Philips, RCA, Sharp, Bose, Denon, Sony, Netgear, Lutron, D-Link, Dell, and others
Certifications
One or more employees at this company have achieved CEDIA Professional Certification status:- Keith Mossburg, CEDIA Certified Professional EST II- Chris Wagner, CEDIA Certified Professional EST II

White Knight Security
(303) 671-8000
PO Box 111354
Aurora, CO
 
Advanced Security
(303) 344-5608
1491 Clinton St
Aurora, CO
 

Door Alarms

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Doors can utilize magnetic contact sensors to detect when a door is opened. The sensor mechanism is housed in the switch side of the sensor and a magnet is housed in the other half. Most door alarms utilize a contact switch, which has two metallic parts that must stay in contact when the sensor is armed. In order for a door to be slid or swung open, the mechanism's metallic contacts lose contact with one another. One half of the door sensor is attached to the fixed side of the doorway, and the other is attached to the movable door. When the door is opened the two parts of the mechanism are separated and the alarm signal is sent.

These mechanisms use a strong magnet that can maintain magnetic contact even when the door is opened slightly. This makes it possible to leave a door open to allow airflow between rooms, yet still have all the protection of armed door alarms.

Electromechanical door locks are powerful electrified lock mechanisms which keep them from being opened. They are an important form of security in commercial properties but can also be used in home security systems. These systems often integrate a magnetic contact sensor so if by chance the door should be opened, an alarm would be activated.

Learn more about home security systems .

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