... is 50,000-100,000 hours.7) High Intensity: Acid resistant,waterproof,anti-exposive and anti-shock8) Exquisiteness: With ... , 3 LED waterproof light , Thickness: 4cm HBM-4Stainless + resin letterSurface: Resin,Frame: 0.8mm #304 brushed stainless steel ,Backboard: 0. ... sheet ,3 LED light, Thickness: 4cm HBM-6galvanized + resin letterSurface: Resin,Frame: 0.8mm galvanized sheet,Backboard: 0.8mm galvanized ...