1、Timing Function: Fish tank light has a timing function, no need to purchase an additional timer. There are 3 options, 4 hours, 8 hours, and 12 hours. Once the setting is completed, the fish light will automatically turn on and off every day. 2、Brightness Adjustment Function: Aquarium lights has a brightness adjustment function, which can adjust the brightness of diving LED aquarium lights, which conforms to the natural cycle of life and is conducive to the healthy growth of fish and plants. 3、Wireless Remote Control: LED fish tank lights are equipped with an infrared control system, which can effectively control obstacles at a distance of 5‑10 meters. You can lie on the sofa or bed, change the color, brightness, and switch the lights with the remote control. 4、Energy Saving: Aquarium lights uses 6 SMD lamp beads (5050 model), the brightness is 20% higher than ordinary lamp beads, and the light is bright and soft. The service life can attain 50,000 hours, energy saving and environmental protection. 5、Colored Lighting: 13 Color options and 2 lighting modes. Colored lighting, flash and faded lighting modes add interest and color to the water tank and the room. 1 x Remote Control (Ship with Inbuilt Battery)2 x Suction Cup1 x Lamp1 x Plug1 x User Manual Item Type: Fish Tank LightMaterial: Rubber, PCWeight: Approx. 190g / 6.7ozProduct Size: Tube Length Approx. 18.5cm / 7.3inRemote Control Inbuilt Battery: 1 x CR2025 Button Battery 150mAh (Ship with Inbuilt Battery)Voltage: 100-240VPower: 1.5WNumber of Lamp Beads: 6LEDsSuitable Fish Tank Size: Approx. 20-40cm / 7.9- 15.7inProtection Level: IP67Light Source: RGBLife: 50000H