This USB-powered aquarium is a world apart from all the others - you can put REAL fish in this one! Built-in LED lights change the color and atmosphere of the tank, according to your taste. You can even have your favorite photo displayed at the back of the tank! The temperature is kept at a constant 25C - perfect for those pretty little fish from warmer climes. A water pump operates for 20 seconds every four minutes, ensuring the essential circulation of the water, without creating currents. All of this from the power of your PC! The USB aquarium is a fun piece of kit that's certain to be a welcome distraction from the monotony of staring at your computer screen the whole time. Ideal for the home or office and guaranteed to be a talking point among friends or co-workers. The USB Aquarium will be coming to Compact Impact soon!