Hotel Security System

Why We Are One Of The Best Alarm Companies On Long Island

 |  Alarm System

For over 30 years, Sentry has been a top provider of alarm companies on Long Island. Residents of Nassau and […]

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Why Live Video Surveillance Is A Must For Your Business
July 6, 2021

Live video surveillance is becoming increasingly crucial for businesses and companies around the globe. The safety of a business or […]

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What is an alarm monitoring center and how does it work
June 21, 2021

The need for alarms and security systems for the building is becoming more and more necessary for small businesses and […]

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How Do Lighting Control Systems Work?
June 7, 2021

In office buildings and factories lighting control is becoming necessary. These lighting control systems range from simple switches to complex […]

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