Best GSI Super Quality Add-On Wireless Waterproof IR Door Opening Detector With RF Sensor – Anti Intruder AccessoryDetector signal

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• Mount Detector On Garage Door Or Other Doors And Windows Openings
• When Door Opens, The 2 Magnets Separate Which Triggers The Transmitter Unit
• The Transmitter Will Then Activate Other GSI Alarm Siren Units (Sold Separately)
• The Systen Is Fully Weather Resistant Making It Ideal To Protect Garages, Sheds Or Pools Etc.
• Compatible With ASIN: B0046V4FT6, B0046UYCFO, B005BGUL0C, B005BHRMIK, B0046V4EK6, B005EMUKLI, B0046V4FRI, B005EM911S, B005D9RNT4, B005D9R8XK, B0046UYCTA And Many More

Detector signal Product Description

Great New Safety System From GSI, Was Designed To Protect Your Home By Turning On Alarm Or Flashing Lights, And Alerts You When An Unwelcome Guest Comes Around. Easy To Mount, User Friendly And affordable, It is a Great Alternative To Other Pricier Models out There.