Cross Fire LED XTRS-4.
TRS-4 are different from the TIR4 units!
#1 There is NO plastic flange.
The mounting holes are part of the polycarbonate-rubber frame.
There is still a rubber gasket to seal the light to the mounting surface.
Have your TIR4 units leaked & gotten water under the lense?
These will not. ALL 1 PIECE construction for superior waterproof capability.
Still has 18 flash paterns, easily selectable by momentarily connecting 2 wires or wiring to switch to control changes. These units SYNC & inter-connect to sync flash patterns.
Still has 4 GEN III LED BULBs and fantastic optics that give geat angle viewing of warning light.
These are EXTREMLY Durable and have no flimsy plastic housing that can break.
The most durable exterior light we sell.