Fluval SEA Marina & Reef LED lighting This unit incorporates 6 unique LED band widths and 504 individual LEDs, including essential actinic blue wavelengths and key spectral reinforcement to provide a balanced combination for optimal coral photosynthetic activity, growth and viewing. Full coverage and uniform lighting is achieved thanks to 120° light dispersion and all lights feature switch able day and night lighting modes. Available in 3 lengths (60, 90 and 120cm) each with extend-able brackets enabling them to mount on any aquarium straight out of the box. Additional suspension and mounting options are also available Key Features: - Full Spectrum Marine & Reef LED Lighting - Essential actinic blue spectral wavelengths - Promotes and supports strong coral growth and colour - Balanced combination of multiple LEDs for optimal coral photosynthetic activity, growth & viewing - Features 6 unique LEDs, including 400, 420, 440, 460nm LEDs for outstanding blue spectrum coverage - High CRI for accurate colour rendition and perfectly balanced lighting - 25,000 K Colour Temperature - 120 degree light dispersion for full area coverage and uniform lighting - Versatile mounting options (on frame, on cabinet, or suspended) - 3 position magnetic switch with day/night off modes - Extend-able mounting brackets allow easy installation on a variety of aquarium widths - Extend-able range: 91 to 115 cm (36\" to 46\") - Watts: 35 W - Lumens: 1630 lm - Total LED Count : 504 3 YEAR LIMITED WARRANTY: The Fluval Full Spectrum Performance Led Strip Light is guaranteed against defects in material or workmanshipunder normal aquarium usage and service for 3 years. We reserve the right to repair or replace at our option.Failure of less than 5% of the total number of LEDS shall not be considered a defect under the terms of this warranty. This warranty does apply to any light fixture that has been subjected to misuse, negligence or tamperingor commercial use. No liability is assumed with respect to loss or damage to livestock or personal propertyirrespective of the cause thereof.