Hotel Room Annunciator Kit Voltage Transformer Primary 120V AC Secondary 24V AC Amps Horn/Strobe Current Draw 175 mA at 24V 50/60 Hz 125 mA at 24V DC Color Clear Lens White Housing 82 dBA @ 10 ft Signal Output Strobe 50 cd on-axis Includes 592 Transformer 620 Stainless Steel Faced Push Button 6536-G5 Horn/High Intensity Candela Strobe Standards UL