Sentinel Ultrasonic Pest & bird Repeller

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?

I have pigeons on the roof. Can I position the repeller inside my loft and point it upwards?

Can I set the device for different species of bird?

Pigeons in a tree. Can I place the device on the ground and point it upwards?

What is the best place to position the Sentinel repeller?

How heavy is the Sentinel