... grade: IP68 3.energy saving over 85% 4.Life-span: 50, 000hrs features:Waterproof led string lights1.LED Qty:50pcs/bunch2.Input voltage ... white,RGB,full color9. Energy saving 85%10.Dimension: 12mm11.Lumens:600-900mcd (red &yellow&blue),1300-1800mcd( white),3000-4000mcd ... Perforated iron sheet LED advertising character2.Backlight of signage,it can be widely used in channel letter,signs,light box and etc3 ...