GERUI Aquarium Lamp 7W USB 5V 2A Full Spectrum LED Lighting Timer and Brightness Adjustable Light Color for 20-40L Fish Tank

Energy-saving lamp beads: the use of LED lamps type 5730 is highly efficient and energy saving. 7W with a total of 34 LED beads to emit enough bright light for your aquatic plants and fish to create a healthy and high-growth environment. 【Adjustable】Gooseneck: 360° flexible gooseneck tube, you can easily adjust the angle and position to fit your fish tank. USB power supply, energy-saving and durable lighting for a long time. The timer button with three lighting times (6/9/12 hours) to choose from. Just set the desired lighting time, it will automatically turn on and off every day. Even in the event of a power failure, the lamp will turn on if you have to adjust the colour, brightness and lighting time before you have to reset. 3 color modes: white, blue + red + blue or white + green + blue + red highlight the color of everything in the tank and create a beautiful aquascape. Space-saving Design The clamps are wide enough to accommodate 3-8mm thick glass with a cord length of 150cm, you can fix the light anywhere in your rimless tank and does not take up space in the tank. Plug and play, easy to install and use.