pFluval Sea Marine Spectrum LED lighting provides optimized illumination for your small saltwater aquarium. With a programmable 24-hour light cycle, pre-set habitat light configurations, HTE (high thermal efficiency) LEDs, and Bluetooth control on any mobile device, this is the next generation of aquarium lighting.pulliProgrammable 24-hour light cycle (sunrise, mid day, sunset & night)lili7 unique band waves for full spectrum deep sea lightingliliOptional pre-set habitat configurations (Sunny Reef, Deep Sea Glo, Color Burst)liliHTE LEDs provide improved life span & spectral performanceliliSmart phone & tablet compatible with FluvalSmart App Bluetooth technologyliulpNew Design, New Generation: The Nano LED fixture features fully adjustable positioning (updown, side-to-side, forwardbackward), and an over-the-glass mounting design with a secure, repositionable grip. A full aluminum shell increases heat-transfer efficiency and improves protection from water and humidity. The new nano frame is 23% lighter than the previous generation of LED fixtures, with an industry-leading IP67 waterproof rating and 120? of illumination for wider, more uniform coverage and no dead spots.ppSpecifications:pulliDimensions: 5" x 5"lili20 wattlili100 LEDslili850 lumenslili50,000 lifetime hourslili25,000K color temperatureliul