WONDER #1510: How Does an Invisible Fence Work?
Question 1 of 3
Which of the following is a key component of an invisible fence system that’s worn on a pet’s collar?
Question 2 of 3
What type of signal does an invisible fence transmitter emit?
Question 3 of 3
Wireless invisible fence systems create a “safe zone” in what shape?
Check your answers online at https://www.wonderopolis.org/wonder/how-does-an-invisible-fence-work.