Signaaltoren met geluid en flitsfunctie

Flexible combination of LED modules and audible modules can be combined as required QT50L, QT70L tower lamp are multi-function items 
which can be combined freely with signal lamp, audible module and network control module for USB, Ethernet without any special tools.
All modules can be combined at any location freely except the sound tone of audible module by external contact point.(patent application)