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Sentry Watch Dog


This motion-activated device can be used outside or inside the home to announce visitors at your front door and scare away potential predators.  Choose from doorbell sounds, dog barking sounds, or even a loud alarm sound.  Use it on low volume as a discreet alert, or turn it up nice and loud to scare away intruders.  The Watch Dog can detect movement through walls, wooden doors, or glass (it is limited by brick, concrete, or steel).
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A home entryway with a wooden front door and two large bushes in front of the porch.


Powerful Motion Detection

Adjustable motion detection up to 25 feet. Works through walls, wooden doors, and glass (may not work through brick, concrete, or steel).

Multiple Alert Options

Choose from a simple doorbell chime sound, dog barking, or loud alarm sounds. Volume is adjustable to suit your needs.

Additional Features

Realistic Dog Barking Sounds

Varies from a single bark, up to multiple barks. And the Watch Dog will even bark more frequently as someone gets closer to the device.

AC or Battery Powered

Purchase includes a 6-foot AC adapter, or you can use (6) AA-size batteries.

Where to Use It

Use the dog barking sounds near doors and windows.
Set the alarm to protect your garage.
Let the chime announce customers at your storefront.

How It Works

The Sentry Watch Dog gives you all the benefits of a guard dog, without the added responsibilities of caring for a live animal. The device can be set up discreetly inside your home to guard any door or window. As a person or animal approaches, the Watch Dog will start with one warning bark. If the intruder doesn’t back away, it will continue with more barking, or sound an alarm - depending on your chosen settings.

Please note, the Watch Dog may not detect motion through brick, concrete, or steel.

Details and Specs

Size7.6 in. H, 5.5 in. W, 3.8 in. D
Weight1 lb. (device only), 1 lb. 9 oz. (ship weight)
Power Supply6 ft. AC adapter, included
Batteries(6) AA, optional, not included
VoltageDC 9V, 600 mA
Voltage8-12 volts
Power Consumption2.6 W
CoverageAdjustable up to 25 feet, 180° angle
Frequency Rage2.4 GHz
After Purchase
Warranty1-Year manufacturer's warranty
60-Day Money-Back Guarantee

What's Included

  • Sentry Watch Dog
  • 6 foot AC adapter
  • User Manual
  • 60-day money-back guarantee
  • 1-year manufacturer warranty



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Protection Plans

3-Year Protection Plan + Accident Coverage

3 Years of protection not only from manufacturing defects, but also a free “oops!” replacement as well!


2-Year Protection Plan

No manufacturing defects for 2 years or we will replace it hassle-free!