Protect your home with this reliable wireless door alarm from an American company. The 2 pack alarm system comes with everything you need to secure your home, including the 90 dB sound alarm and wireless connectivity for easy installation. The battery-operated device includes an alarm and is easy to install, making it an ideal choice for busy homeowners. With a range of features that include wireless connectivity, battery included, and a model that ensures reliable performance, this alarm system is a must-have for anyone looking to increase their home security.