Submersible: Designed to be placed under water (IP68) or above, but power adapters are generally non-submersible.\r\nColors/Modes: Often feature 2 mode color changing (e.g., white, blue,) or full-spectrum lighting to encourage plant growth.\r\nEnergy Efficient: Low power consumption (e.g., 6.6W-8W).\r\nConstruction: Usually made of glass or acrylic with suction cups.