The blue TW-20 2-Module Mid-Level Weather- and Vandal-Resistant Modular Tower from Aiphone is designed to house the IS-SS-CI, IS-DVF-2RA, IS-SS-2RA, IS-SS-2RA-R, IS-SS-RA, and IS-SS-RA-R Rescue Assistance Stations during emergency and assistance applications. The tower is used in areas such as campuses, parking garages, malls, or courtyards. The tower can be customized by lettering or cap style to suit the application. The modules can be easily transported and assembled. Call button mounting height meets ADA regulations. The tower is zinc treated and powder-coated for outdoor use.