Size: 30cm aquarium light Technical details: Power supply voltage: 100V-240V (50-60Hz) Output voltage: 12V, US standard plug Quantity of LEDs: 33 pieces Material: fiberglass + stainless steel + ABS plastic Weight: 0.44KG Advantages: power cords, replaceable cables, unlimited adjustable brackets, retractable stainless steel, faithfully reproduce and vividly the colors of animals and plants Note: This product is not waterproof. Please do not use it underwater.