LED Photoecology Expert1,Each Led light soure is designed with special spectrum for aquatic plant,seawater coral etc.2,It adopts most scientific led combined with various wavelength,making the color of creatures and plants natural and bright.3,The lighting control system simulates sunrise,sunset,moonlight,dimmer and timer etc.4,Low light decline,long usage life and top performance.5,It is pure aluminum with natural heat dissipation(temerature rise is around 25degree).It is basically in "silence��tatus as it has no fan.6,Special accessories for the lamp extension.7,Safe voltage range,perfect waterproof casing design.