LED lighting is popular for saltwater and freshwater aquariums, and although not proven, is thought to discourage algae growth. | LED stands for light emitting diode, and these lights run much cooler than standard fluorescent lights and metal halides; they use much less energy to run, and have a far longer life than traditional lighting types. | This replacement LED Lumo 6 watt light is ideal for nano- and other smaller aquariums. | | * LED aquarium light | * For nano- and other smaller aquariums | * Energy-saving | * Longer life | * For salt- and freshwater aquariums | * Voltage: 6 watts