Feature: 1. Remote Control Light: Split type, long distance remote control, suitable for USB interface, plug and play, strong durability. 2. Colorful: The light has multiple colors, gradual change, flashing, colorful speed control, adjustable brightness. 3. Long Term Use: The durable and effective led light emits soft light in the aquarium and has a long service life. 4. Widely Used: In addition to lighting for aquatic plants in aquariums, this light can also be used for daily lighting. 5. Application: Light weight, easy to use, especially suitable for small aquariums, especially suitable for desks. Specification: Item Type: Fish Tank Light Material: Plastic Size: Approx. 6 x 2.3 x 1.2cm/2.4 x 0.9 x 0.5in Battery: 1 x CR2025 Button Battery (Not Included). Package List: 1 x Light1 x Remote Control Note: Please allow 0.1cm/0.04in error for manual measurementThe product is installed on the top of the fish tank, do not install underwater.