1.sole design of the hanging structure of the cabinet,it can be used rental or fixed installation easily, one unit skylight can be installed or uninstalled in 30 seconds, 2.sealed waterproof structure,the protection grade of the front and rear face gets to IP65,which can be used in any temperature and humidity outdoor or indoor , 3.great heat release with the temperature of 10 degrees to 20 degrees lower than craft brothers. 4.high penetration to the wind, the power supplies are placed in the middle of the cabinets to warrant the balance of the whole screen, 5.as the background of the stage,the LED stage screen vividly play a great role in the performance to make a momentum and modern occasion, 6.energy saving,fully pass the certificate of energy saving with super low power consumption,