CHAUVET DJ COREpar 40 USB LED Washlight w/Chip-on-Board & D-Fi USM Compatibility COB (Chip-on-Board) LED produces a full spectrum of light with unsurpassed color mixing D-Fi USB compatibility for wireless Master/Slave or DMX control Included magnetic Fresnel lens allows the flexibility to go from ultra-wide to narrow beam in seconds Withstand the harshness of traveling from gig to gig with a robust housing Sit-flat housing design hugs the floor and features power and DMX outlets on the side of the unit