The ADJ COB Cannon Wash uses advanced RGBA COB (Chip On Board) technology allowing for a powerful LED engine to be placed in a small amount of space. The result is a high output, smooth color mixing LED Par with no RGBA shadows. Designed for mobile or permanent wash lighting of stages, clubs, dance floors and churches. The COB LED engine on the COB Cannon Wash is a QUAD RGBA 4-In-1). It also doubles as an uplight with its dual yoke that act as legs to set the fixture upright to wash walls and ceilings.