MAIN CHARACTERISTICS range of product HARMONY XVU product or component type MODULAR TOWER LIGHT beacon or indicator bank unit type SOUND UNIT mounting diameter 60 MM component name XVU housing colour BLACK COMPLEMETARY CHARACTERISTICS signalling type ADJUSTABLE VOCAL SOUND material PBT (polybutylene terephthalate) V-0 flame retardant conforming to UL 94 localisation on device AC DC ADAPTER assembly style CUSTOMER ASSEMBLY [Us] rated supply voltage 24 V AC/DC power dissipation in W