While a backyard pool can be a fun place for your family to spend their summer, it can also be a dangerous spot for small children and pets. One way that many families get peace of mind in knowing their kids are safe and sound is to install a swimming pool alarm. This device alerts homeowners when someone has entered the pool area. Even if you don't have small children, this system can protect neighborhood children who might enter your yard without your knowledge. There are many different types of swimming pool alarms available today.