Home Security Systems

Security Instrument is the largest privately owned home security company in Delaware with coverage in PA, NJ and MD. Our local central station monitors homes around the clock.

Burglary & Theft

Motion sensors, glass break detectors and color touch screen keypads work in tandem to secure your home around the clock.
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Fire & Life Safety

Even the best DIY smoke alarms will not alert the authorities when you’re not at home. A monitored home fire alarm system offers protection 24/7.
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Smart Home Video

View and record home video from any mobile device, and get smart clips delivered instantly if motion is detected.
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Virtual KeyPad

The Virtual Keypad app will keep you in touch with your home security system from any smart device! Check the status of your system, arm or disarm from anywhere, and set custom arming schedules around your lifestyle.

Home Alarm Monitoring

Security Instrument owns and operates it’s own UL Certified Central Monitoring Station, located right here in Delaware. Our SIA certified operators are local residents that know the area inside and out. In an emergency every second counts. Choose a monitoring company like SI with local staff who can assist you quickly when you need it most.

Professional Installation

Security technology, as well as the proper installation of its various components, can be fairly complex. Fortunately, Security Instrument is a locally owned home security and automation company headquartered right here in Wilmington Delaware, employing factory trained installation specialists that are knowledgeable, courteous and thorough.

Automate Your Home & Enjoy Even Greater Control

Security, temperature control, lighting, & mobile apps to control it all. Security Instrument installs and monitors the most technologically advanced home automation systems available today.

Smart Apps

Smart Lighting

Smart Video

Smart Thermostats

Smart Locks

Made With Love In The U.S.A.

Security Instrument is a proud Authorized Dealer for DMP

As an Authorized Dealer for DMP,  Security Instrument designs, installs, services and monitors home security and automation systems using DMP technology. DMP (Digitial Monitoring Products) is a family-owned manufacturer of electronic burglar, fire and access products. Headquartered in Springfield, MO, DMP products are designed, engineered & manufactured right here in America, guaranteeing the highest quality and craftsmanship in home alarm systems technology.