... 50~70%,Free fault rate 2) graphic replaceable LED BoxSuper thin,high brightness,long lifetime for 20000 hoursSaving electricity 50%~70 ... )Common (2) Magnetic 2.Magical Mirror (1) one pic. (2) multi pics. 3.Flip LED boxSize: A1~A4,custom size, mix ... , wood can be optedApplication:Bar, Supermarket, Metro, Hotel, Bank, ect. super thin led acrylic box with touch screen