With Elive LED Track Lights you can customize the output pattern and direction of light coverage for your aquarium. The fixture features a two-track lighting system that allows you to slide each LED POD back and forth to set up the coverage that you desire; giving you 120ï ½ of light dispersion. Blue LEDs are adjustable with channel dimmer to control overall color temperature of the fixture. The lighting system comes with five 1w LED PODs (four 10k white; one 445nm blue). Additional Light PODs are sold separately; allowing you to customize total light output. The 24 in. model can hold up to 14 PODs total. Fixture comes with 320 lumen output; and can emit a maximum of 1120 lumens with 14 PODs. Legs adjust from 24 in. to 30 in. wide. For complete product information; download the instruction manual. For more information on LED lighting; please read our article on LED Aquarium Lighting Basics.