The TWS-Z4 is a Solar Tower with Hooded Emergency Wall Box with 1 solar panel, rated for zones 4.0+. The solar tower can be used in locations where running wire is a challenge or impossible. The tower is made by Sun Surveillance and includes an Aiphone WB-HE wall box for the Aiphone IX Series emergency call station. The tower is also equipped with batteries to provide power to the intercom and beacon/strobe light and a solar panel to charge the batteries. A Ubiquiti wireless access point is provided to supply network connectivity to the tower.