1st defense security Home alarms (702) 547-0213  (877) 202-1796

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Free Move Certificate
Life Time Service Agreement



    1st Defense Security offers full security system and monitoring services. Including but not limited to, Burglary, Medical Emergency, Police Emergency, Home Invasion and Protection from Fire. Featuring 24-hour Monitoring and Two-way Voice Service. We provide protection to both Residential and Commercial Customers.

    At 1st Defense Security, you can rest easy knowing our services provide the best 24 hour monitoring in the industry. The built-in 2 way voice verified alarm system ensures the most rapid response available today. Eliminating false alarms and catching the bad guys is our business.

    “2 Way Voice” monitoring is like OnStar for your home. Once the alarm has been activated, the operator can actually hear the intruders inside your home and dispatch the proper authorities to a “verified burglary in progress”. 2 way voice monitoring is the perfect solution for medical emergencies, providing hands free communication when seconds count.


Free Move Certificate
At First Defense Security, Inc. we understand that our customers place great value on their security system. For this reason, we provide the customer with this Free Move Certificate which allows you, should you move, to have a brand new system installed in your next home at no charge. Terms and conditions may apply.



Lifetime Service Protection
Because First Defense Security, Inc. and Monitronics International are so confident in our product and committed to providing unmatched service to our customers, we provide Lifetime Service Protection. As long as your are being monitored by Monitronics International, Inc. you will receive free parts and labor on any repairs, assuming that there is no unusual wear and tear. Terms and conditions may apply.
Two way voice put the handcuff on burglars Two Way Voice -
Puts More Handcuffs On Criminals


Q. What Is Two-Way Voice?

A. Two-Way Voice is an audio device added to an alarm or emergency response system, incorporating a speaker and microphone. This allows the Central Monitoring Station to hear what's going on at the premises when the alarm goes off, and directly converse with the homeowner. This feature is invaluable when it comes to reducing false alarms and improving emergency response time.


Q. How Does A Two-Way Voice System Work?

A. Once the alarm has been activated, a microphone is initiated, allowing the monitoring station to listen in to the protected premises. The dispatcher, through a speaker also located in the system, converses directly with the premises, controlling the audio exchange.


Q. What Are the Best Uses For Two-Way Voice?

A. Every residential security system should have two-way voice. This allows for more accurate verification of false alarms, better determination of break-ins, and is invaluable in the event of medical or fire emergencies. Two-way voice can also be utilized in numerous small commercial or retail businesses.





All of our installations and repairs are done by our fully licensed, bonded and IQ Certified technicians.