Fire Panel Microprocessor Based C/W 12 Initiating Class B (Style B) C/W By-Passing Switches 12 Bi-Colored Alarm Leds And 12 Amber Trouble Leds 4 Indicating Circuits(1.7 Amps) Class B (Style Y) C/W By-Passing Switches, 2 Line Udact Digital Communicator And Modem Supports Multiplexed Annunciation And Smart Relays Alarm And Event Logs 5 Amp Power Supply(Signal And Aux Supply) Front Panel, Laptop Configuratable Or Remote Dial Up Red Door And Black Enclosure