... ROHS certification.different pixel Led outdoor Full Color DisplayFeathersSpecifications: 1) Pixel pitch: 6mm (0.236''), 8mm (0.315''), 10mm (0.394'') (Indoor ... (0.3"), 8.5mm (0.335''), 10mm (0.394'')(Indoor with 3mm flat headled)10mm, 11mm,12mm, 12.5mm, 14mm, 15 ... , the USA 2) LED Color: Red, Pure Green, Pure Blue3) Wave length (typical): R: 625nm; PG: 525nm; PB: 470nm Led Outdoor Full color display