Ws2801 Programable by software Individually control Pvc glue protection Ip66, water-proof protection Easy installation (punching 12mm hole on metal panel) 50pcs per set , 8cm space apart between each led Applications Meets the general lighting 50pcs/string, 350pcs/anti-static package, 3150pcs/carton, carton size; 46*26*46.5cm, gw; 22.5kg