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STI Security Products

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  • Pull Station Cover w/ Horn Stopper

    This unique and patented device has been helping stop false fire alarms around the world for almost 30 years, without restricting legitimate alarms. Ideal for schools, hospitals, nursing homes, stores, hotels and public buildings of almost every kind. Learn More
    $76.85

  • STI Replacement Reed Switch

    Reed switch and magnet for STI-6403 Series Exit Stopper Learn More
    $8.47

  • STI Wireless Motion Activated Chime

    1 Review(s)
    The STI-46100 is a completely wireless motion sensor that comes with a chime to alert you when someone is lurking where they shouldn't. The sensor itself is weatherproof-sealed and can operate as much as 100 feet away. The STI-46100 - STI Wireless Motion Activated Chime is FCC certified and features an impressive 32 selectable codes to help block interference from outside signals. Additionally, you can choose up to 13 different songs and alerts with the simple push of a button. Learn More
    $41.95

  • Rex Plus Electronic Watchdog Alarm

    6 Review(s)
    There's nothing scarier than the sound of an angry dog! With the ED-50 - Rex Plus Electronic Watchdog Alarm from STI security, you can scare intruders away with the sound of a real life guard dog without the headache of actually owning one. The ED-50 can be placed anywhere in your home and features sophisticated technology than can detect people through thick doors, glass and walls. All you have to do is plug it into a standard outlet and your home, apartment, or place of business can have 'round-the-clock protection, with the frequency of the ED-50's ferocious bark increasing the closer the intruder gets. This is an excellent way to detect burglars without having to spend the money for a costly security system Learn More
    $81.95

  • STI Stopper II Pull Station Cover Flush Mount w/o Horn

    This is a UL Listed product, which means you can be sure it will have a durable and long-lasting life. TheSTI-1200 - STI Stopper II Without Horn Flush Mount is ideal for schools, stores, hotels, and other properties and features patented technology that helps stop false fire alarms without restricting legitimate alarms. TheSTI-1200 features a super tough polycarbonate cover that is clear and tamperproof and which fits over most manual pull stations and is connected to the frame by a tough cable. When the cover is lifted, it hangs off of the frame until the cover is snapped back onto the frame. Learn More
    $54.95

  • STI Burglar Stopper Wire-Free Home Protection System

    5 Review(s)
    The STI-WS100SG2 - STI Burglar Stopper Wire-Free Home Protection is an inexpensive wireless home security system that is one of the most user-friendly on the market. Featuring a simple plug-&-play interface, this wireless alarm system not only eliminates the headache of having to run wires across your home or property, but it features everything you need to ensure that your space is secure from potential burglars. This includes a powerful Smart Panel, TWO door/window sensors, ONE PIR motion sensor, as well as a small key fob for convenient remote control of your system. The Smart Panel on your STI-WS100SG2 gathers information from the various sensors, which can all be placed as far as 490 feet from the panel, and will trigger indicator lights and a loud 120 dB+ audible alarm in the event of a security breach. Never worry about leaving your space unattended again. Learn More
    $135.95

  • STI Wireless Fire Extinguisher Theft Stopper

    The STI-6200WIR is easily mounted next to the fire extinguisher, and is battery powered, so no difficult wiring is required for installation. The great thing about the STI-6200WIR is that it will not prevent accessibility of the fire extinguisher in case of an emergency to either you or fire fighters as a deactivation cable provided for service by authorized personnel. Learn More

    Regular Price: $75.50

    Sale $49.22

  • STI Horn-Strobe-Speaker Damage Stopper - RED

    1 Review(s)
    The STI-9705-R is made of extremeley tough 9-gauge steel wire with a coating of corrosion resistant red polyester, so you can bet anyone trying to cause damage to your equipment will have a nearly impossible time. Learn More
    $26.95

  • STI Horn-Strobe-Speaker Damage Stopper

    The STI-9714 is made of extremeley tough 9-gauge steel wire with a coating of corrosion resistant white polyester, so you can bet anyone trying to cause damage to your equipment will have a nearly impossible time. Learn More
    $29.95

  • STI Clock-Bell Damage Stopper - Red 10.5" Diameter

    The STI-9631-R is 10.5" diameter and is made of extremeley tough 9-gauge steel wire with a coating of corrosion resistant red polyester, so you can bet anyone trying to cause damage to your equipment will have a nearly impossible time. Learn More
    $34.95

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STI Security Products | Home Security Store

STI’s first product came directly at the request of a high school principal in Detroit, Michigan who had problems with false alarms. That led Jack Taylor to invent the Stopper Pull Station Protector. Taylor then founded STI. That was over 25 years ago. Today, Safety Technology Incorporated (STI) now markets more than 40 unique products throughout the world to help prevent false alarms, plus theft and vandalism of smoke detectors and fire extinguishers. Susquenita School District Buildings and Grounds Director Robert Finnen testifies to STI’s products, “Our STI Stopper II units have prevented after-school activity kids from pulling false fire alarms. If kids attempt to open the cover, the warning horn stops them from any further attempts.” STI is based in Waterford, Michigan with an office in Worcestershire, England.


STI manufactures products which fall under the following categories - Fire Products, Polycarbonate Protection, Environmental Cabinets, AED Covers, Wire Guards, CCTV Camera Housings, Theft Protection, Buttons & Switches, and Home & Work.Home Security Store sells the STI-6400 - Exit Alarm Door Alarm, which is a very popular product and falls under the Theft Protection category. The STI-6400 is an door alarm that has a highly visible "stop sign" design.It can alert you to any unauthorized exits or entries through emergency exit doors, rear doors, or any door that you would like to monitor. This is an inexpensive security device that helps stop theft too. The alarm sounds off a powerful 105 dB warning horn when activated and is made of virtually indestructible polycarbonate housing.