waterproof RGB led module ip65 for LED Channel Letter, round led rgb module dmx, 5V DC ... size: 9x38mm waterproof RGB led module ip65 for LED Channel Letter,round led rgb module dmx, 5V DC 1). ... pull it easily from hole.6). Its lighting source of Channel Letter7). The length of connecting wire is 100mm±5% ... .3W9lmIP68 waterproof RGB led module ip65 for LED Channel Letter, round led rgb module dmx, 5V DC