This is a remote receiver for the Pool Patrol alarm system. It allows you to hear the alarm wherever the receiver is placed remotely from the pool (i.e., in the house). This receiver is included in Pool Patrol PA-30 and Door/Gate Alarm GA-30.
If you bought the PA-25 without a remote receiver and decide to upgrade, you just need to purchase this receiver. Also, this can be used as a replacement receiver if you need to replace one you have.
