GREEN BLINKING LIGHT MODULE 12-48VAC/DC

70 mm signal towers: Signal towers can be put together by piling up to seven modules made of: Up to seven light modules, either steady or flickering; if a sound module is needed, subtract one. Include a termination connection module. Include mounting hardware as needed. Light modules with either a constant or flickering light. Waveforms: sine, cosine, and pulse. Constant light modules with an LED or a standard BA15d lamp filament (not provided).