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Sentinel Ultrasonic Pest & bird Repeller

Last Update 2 months ago

How does the Sentinel repeller work? Will the ultrasonic repeller work through a window inside a house? Does the sound travel through 360 degrees How much does the Sentinel cost to run? Will the ultrasonic repeller affect my pet dog, cat etc?

How heavy is the Sentinel

What does it weigh

Bill Pilkington

Last Update a year ago

The single speaker unit weight 700 grams. 

The larger 4 speaker unit weights 1000 grams.

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