PowerG Wireless External Siren

The PG4911B BATT is a fully supervised Wireless PowerG Outdoor
Siren, designed for installation in areas in which wiring is difficult
or impossible. The PG4911B BATT is a self-powered wireless outdoor
siren that provides the perfect security solution for home owners
looking for an external siren that is both affordable and easy to
install. The PG4911B BATT combines form and function to provide
improved protection against intruders, before they get the chance
to enter the home.