High-end Led backlit letter sign 1.Built up rim; 2.Built up acrylic letter; 3.The letters frontlit Product Description: 2013Hot High-brightness Led backlit letter sign1.Laser cut 304#0.8mm stainless steel as the channel letters' frame,leave about 10mm's surrouding edge;2.Power coted the shaped stainless steel channel letter's surface to be the color you like;2.Use waterproof LED module,put it in ...