| Products | Package include smartphone control

Packages: Package include smartphone control Support

Standard Smartphone Control w/Dual Path Wifi

Standard Smartphone Control w/Dual Path Wifi

Arm & Disarm your system from anywhere in the world, including Stay & Away…

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Smoke & Heat Detector

Smoke & Heat Detector

Triggers your alarm system when heat or smoke is detected. In order to add…

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Extra Door/Window Sensors

Extra Door/Window Sensors

Contact us to learn more about the Extra Door/Window Sensors. Wireless sensor that can…

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Motion Detector

Motion Detector

Triggers your alarm system when it senses motion. Must be mounted 6-7 feet from…

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DSC LCD Keypad

LCD Keypad

Slim-line landscape keypad with LCD screen and digital clock. Features include Stay or Away…

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key Fob remote

Keyfob Remote

Allows you to operate your system from anywhere inside of your home, without being…

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Family Owned Dallas Home Security Company Since 1978

We are the largest independent alarm company in Texas, family owned and operated since 1978. Two generations of family are on the job, and now offering multiple home services.

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What our customers say

100% Satisfied

From the first phone call to the actual use of our security system we have been 100% satisfied! The technician was knowledgeable and courteous. He was able to answer all my questions and get the system up and running in no time. Thank you Smith Thompson Home Security for making our home more secure and at an affordable price to do so!!!!

Happy Customer Dallas, TX

We had a great experience with Smith Thompson

Recently for our home in downtown Houston! I was referred to Smith Thompson by a friend after expressing frustration with some of the larger brands that lock you into a 3-year contract. We called to inquire about the most cost-effective…

Excited Customer Houston, Texas
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We've had the same 16.95 rate for 45 years!