- Wheelock Exceder horn strobe - Horn Strobe ceiling mount white- Visible candela window with 8 selectable candela settings- Selectable 12 & 24 VDC- 3 Audible settings 90 95 99 dB (anechoic)- Voltage test points- Universal mounting base 1-gang 2-gang 4” square 3.5” octal 4” octal back boxes- Finger slide switches for audio and visual settings- Approvals: UL CSFMWHHSWC