This item is a fish tank LED light, is with high bright and long lifetime. Suction cups make the light stick to tank wall firmly and tightly. With waterproof design, this LED light Bar could be submerged entirely under the water or put it out of the water. Perfect for water plant and daily lighting. Feature - Color: As shown. - Material: Aluminum PCB. - Size: Approx. 18 x 1.8 x 1.5 cm (L x W x H). - Voltage: DC 12V - Power: 4W-8W - Waterproof rating: IP68 - Dia: 18MM. - Plug: EU standard - Choose one of the mode "flash","strobe", "fade" or "smooth", then press the brightness adjust button to rise or down the color changing speed. - Can be widely used in fish tanks, cisterns, rockeries, pet cages and others. - Made of premium material for durable practical use. - Can be fixed by sucker cup, simple to install. - Safe to use, can be used under water. - Perfect for water plant and daily lighting. - Bright LED Bar can make your tank look like part of oceans, and your fish and reptiles seen where they're swimming or moving.