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Products

IPDatatel product

Cellular Wireless Transmitter

The device that we wire into your main computer board box, that allows the system...

$89 Learn More
Motion Detector

Motion Detector

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

$99 Learn More

Glassbreak Sensor

A sensor that triggers the alarm when it detects the frequency of glass shattering....

$99 Learn More
PowerG Smoke and Heat Detector

Smoke & Heat Detector

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

$99 Learn More
PowerG CO Detector

Carbon Monoxide Sensor

Contact our team to learn more about Carbon Monoxide Sensor products.

$99 Learn More
PowerG Flood Detector

Flood Detector

Contact us to learn more about our Flood Detector products.

$99 Learn More

Family Owned Dallas Home Security Company Since 1978

We own and operate our own UL listed dispatch center right here in Dallas, Texas. That’s how we’re able to offer high quality home security & alarm monitoring at a great price. We are the largest independent alarm company in Texas, family owned & operated since 1978.

No Contracts. No Price Increases.

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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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Official Home Security Company of the Dallas Mavericks