Horn and Strobe Kit, Voltage 24V AC, Amps Horn/Strobe Current Draw: 175 mA at 24V 50/60 Hz and 125 mA at 24V DC, Color Clear, 82 dBA @ 10 ft, Signal Output Strobe: 50 cd on-axis, Includes Pull Cord Switch, Standards UL 1638 Listed, UL Listed