Size: 18LED'; Working voltage: 100V-240v/50-60HZ. Working temp range: 5 degree centigarde to 40 degree centigrade. Higher luminosity and longer life.Easy to operate; Energy conservation and environmental protection This product is a kind of new energy-saving lamp for decoration It is apply for fish tank,poor and other this kind of occasions Completely waterproof Low voltage operation (DC 12V) Energy saving and long life span Combined by number of super-bright LED, include powerful suction cup,Suitable for brackish water Package: 1 x Submersible Air Bubble light.; 1 x Power adapter.; 1 x Flexible hose