Item name:advertising sign outdoor led sign letter 3d channel letter sign Raw Material:stainless steel acrylic,led strip module Warranty:2 years Application:Shopping Malls,indoor & outdoor Size:Customized Letter Sign Lifespan:50000 Hours Certificate:CE UL RoHS Packaging:Bubble and Standardized Plywood carton Light color:red, white,green,blue,etc. Light source:High Brightness Led Strip or led modul