Door & window alarms are battery powered. They are easy to install and simple to operate. An alarm sounds within seven seconds after a child opens the door or window, and should continue to sound for at least 30 seconds until an adult resets the alarm.

• Can be attached to a door or window.
• Alarm will sound even if a child goes through the door or window and closes it behind them.
• The alarm is always on.
• The alarm is equipped with a “pass-through” feature that allows adults to open the door or window without an alarm sounding.
• All doors & windows with direct access to the pool should be equipped with an alarm that produces an audible warning when the door or window (and screen, if present) are opened.
• The sound of the alarm should be distinctive from other household sounds, such as smoke alarms, telephones, and door bells.

Prices range from $20 to $75.