The Poolguard DAPT Door Alarm is a reliable home security product that operates on a 9V battery with a low battery indicator for added convenience. It includes a sensor switch, sensor magnet, screws, and hookup wire for easy installation. With an UL Listed rating and 85 dB alarm at 10 ft, this door alarm provides peace of mind for your home and garden. Perfect for home improvement projects, the Poolguard DAPT Door Alarm is a practical solution for enhancing your home security system.