Pool Protector - Inground Pool Alarm Installation required After you install the SafeFamilyLife Pool Alarm , it cant be de-activated; it is always in the alarm ready mode until you put it in Sleep Mode. The SafeFamilyLife Pool Alarm uses 6 D batteries (not included) which should last approximately one year. The SafeFamilyLife Pool Alarm comes with a remote receiver which can be mounted in your home up to 300 feet from the main unit. It comes with a 12 volt power supply. There is a audible low battery indicator which will sound at the poolside alarm and the remote receiver.