1.outdoor decoration led channel letter 2.widely application 3.waterproof,high brightness 4.outer lighting Backlight LED Outdoors Sign with good qualityOther names: Channel letter signage, LED signage, LED letter signage, LED channel signage, LED outdoor signage, LED letters, LED channel letters, LED channel letter signage1. Material: 304#stainless steel on side and front, and acrylic or resin on ...