This product is a new energy-efficient decorative lighting，widely used in fish tanks，cisterns，rockeries，pet cages and other. Blue or white light led bar can make your tank look like part of oceans，and your fish and reptiles seen where they are swimming or moving.Long service life， energy saving and environmental productLED lighting will not only increase the color of fish and algae but also make your fish tank or aquarium more beautiful.Entirely sealed design for underwater useEasy to install with 2 strong sucker Specification: Voltage: 110V-240VLED Type: 5050Frequency: 50-60HzPower cable length: approx 145cm LED Quantity 9 12 15 21 Light Color White/Blue/ White/Bllue/ White/Blue/ White/Blue/ Overall length of lamp 18cm 28cm 38cm 48cm Power 2.5W 3W 3.5W 4W Package include:1x LED aquarium submersible lamp (with a transformer)2 x suction pads