Options: PA1420H: SIREN STROBE COMBINATION #HC-103 PA1550H: WHITE PIEZO SIREN PA1500H: SMALL RED STROBE LIGHT WITH BRACKET- HC-05C PA1501: LARGE RED STROBE LIGHT -HC-05E PA1520H: 15W 1 TONE WHITE SIREN -HC-626-600-8 PA1523I: 30 WATT SIREN #HC- [...]