it used DMX512 signal to control its colors and brightness, silent operation, durability, long service life, high efficeincy Established in 2001, ... member of China Entertainment Association,is a professional manufacturer of LED display,stage lighting. All of our products passed the ISO9001 ... Grade: IP22Operating Humidity: <90%RHDimension: 540mm×215mm×305mm MHG LED LIGHT WORKSHOP PICTURE: