The POOLGUARD Door Alarm with Transmitter will sounds immediately when the door is opened and the alarm will continue to sound until the door is closed and the alarm is reset, even if a child goes through the door and closes it behind them. The POOLGUARD Door Alarm is equipped with an adult pass through feature that will allow adults to go through the door without the alarm sounding. The alarm uses one 9-volt battery, (not included) with a battery life of approximately one year and is equipped with a low battery indicator that will audibly alert you when your battery is getting low. POOLGUARD is the only door alarm that is UL listed under UL2017 for water hazard entrance alarm equipment.
Price: $71.99 from poolproducts.com
The door alarm will sound immediately when a child opens the door and will continue to sound if the door is left open. if a child goes through the door and closes it, the alarm will sound for 5 minutes and then automatically reset. poolguard door alarm is equipped with an outdoor wireless transmitter that allows adults to enter the home from the outside without the alarm sounding and is easy to install. the door alarm is always on and will automatically reset under all conditions. poolguard door