GAITRON 915-141S100 SP2 INDOOR HANDSET/SPEAKER STATION PROVIDING: - VOIP MULTICAST INTERCOM AND PAGING - ETHERNET CABLE CONNECTION - INTERNAL DIAGNOSTICS AND TROUBLE REPORTING - 30W CLASS D SPEAKER AMPLIFIER - AUTOMATIC SPEAKER VOLUME ADJUSTMENT - FIVE PARTY LINE SWITCH - FIVE PAGE ZONE SWITCH - REMOTE TERMINAL UNIT (RTU) FEATURES - 90-240VAC 50/60HZ INPUT - DIMENSIONS: 12.5 H X 5.25 W X 7.34 D INCHES UL LISTED FOR HAZARDOUS LOCATIONS: - CLASS I, DIV.2, GROUPS A, B, C, D - T4 - CLASS II, DIV. 2, GROUPS F, G - T4 - CLASS III, DIV. 2 - T4