LED 640X480 indoor fixed installation LED Displays adopt magnetic suction design ,front maintenance. Die-Casting aluminum Cabient with fast lock, locking only takes 5 secondseasy to operate.Cabients can be spliced at 90 degrees to meet your different needs.Front service indoor LED display have good heat dissipation, high brightness, low power consumption, simple appearance, and ultra-thin and ultra-light cabinet have good heat dissipation,low power consumption, high contrast, wide color gamut, high color reproduction,constant brightness, large viewing angle, and simple appearance.