The Chauvet 4BAR USB is a complete washlighting solution for mobile entertainers. D Fi USB compatible for wireless master/slave or DMX control it also includes a wireless footswitch that can control multiple units. Create synchronized light shows using built in automated programs with the optional IRC 6 remote. It can fill a room with the 4 fully adjustable lights. The Chauvet 4BAR USB includes a tripod and two travel bags which makes it great for mobile DJs to take this light system from show to show. 1 Buy = 2 4Bar USB Light Systems