... 3.waterproof,high brightness 4.outer lighting,energy saving through hole led channel letter Working voltage: DC5VWorking current: 60MAWorking consumption ... LOGO. Material: Stainless steel, acrylic, Osram or GE LED light source Process: Stainless steel seamless welded lettering can ... , flat acrylic plastic lettering face, LED illuminated Size: Custom-made, based on your requirements ...