The Poolguard DAPT-WT Door Alarm is a reliable, battery-powered safety device for doors or windows leading to pool areas. Designed with an adult pass-through mode, the alarm activates instantly if a child opens the door and persists until manually reset. It automatically resets after 5 minutes, features a low-battery indicator, and complies with pool barrier safety codes. This easy-to-install alarm ensures continuous 24/7 operation with a 1-year warranty.