Led Marine coral reef led light Spectrum Choose : Blue Plus, sky blue, reef day light, UV * Length of 40cm(16in), 60cm(24inch), 90cm(36inch), 120cm(48inch),150cm(60inch). * Dual blue light chip(460nm-450nm) and White light chip. * High power 3W LEDs, waterproof driver. * Salt fog proof ,anti-uv ,suitable for freshwater&marine tanks. * Patent design IP67 waterproof, no fan, no noise, aluminum shell,great cooling performance. * 3 years warranty.