each unit comprising four lamps with clear convex lenses set within a wide facia plate - each lamp directionally hooded, the colour filter and lamp-parts removed and replaced with programmable (or sound-sensitive) polychromatic LED lamps - dmx linked if preferred; to the rear, the workings encased in two weather-proofed compartments,

These signal lights are large and heavy industrial gauge lamps. They can floor-stand, or, if you have strong fixing points could be suspended. Each unit is 240V. Plug them in and boogie.