Feature: 1. Full Spectrum Lighting: This LED aquarium light adopts 33 LED beads, including red, green, blue, purple, white, and RGB colors, providing a full spectrum of light to promote the growth of aquarium plants and provide proper light for fish. 2. Adjustable Brightness and Color Modes: With 10 adjustable brightness levels and multiple color modes (red, blue, green, deep red, orange, cyan, gradient), you can customize the lighting to suit the needs of your fish and plants. 3. Timer Function: The built in timer allows you to set the light to run for 4, 8, or 12 hours, and also supports a 7-day 24-hour automatic simulation of sunlight. You can set the starting time to 9 am, 12 pm, 3 pm, 6 pm, or 9 pm, with the light automatically turning off at midnight. 4. Efficient Design: The aluminum shell body of the light ensures efficient heat dissipation, prolonging the lifespan of the LEDs. The light is also designed to be splashproof, providing added safety for use in aquarium environments. 5. Easy Installation: The fish tank light comes with an adjustable clamp that can be easily attached to aquariums ranging from 45-60cm/17.7-23.6in in size. The compact size of lamp makes it suitable for a variety of tank setups. Specification: Specifications: Rated Power: 18W Power Output: DC 12V 1.5A Light Beads: 2pcs Red, 2pcs Blue, 2pcs Green, 2pcs Purple, 16pcs White, 9pcs 5050RGB (Total 33pcs) Item Size: Approx. 45*8*5.3cm/17.71*3.15*2.08in Item Weight: Approx. 510g/17.98oz Package Size: Approx. 50*8.5*6cm/19.68*3.34*2.36in Package Weight: Approx. 590g/20.81oz . Package List: 1 * Fish Tank Light 2 * Brackets 1 * Power Adapter1 * Manual